Table Of Contents
show bgp nsap
show bgp nsap community
show bgp nsap community-list
show bgp nsap dampened-paths
show bgp nsap filter-list
show bgp nsap flap-statistics
show bgp nsap inconsistent-as
show bgp nsap neighbors
show bgp nsap paths
show bgp nsap quote-regexp
show bgp nsap regexp
show bgp nsap summary
show dampening interface
show interface dampening
show ip bgp
show ip bgp cidr-only
show ip bgp community
show ip bgp community-list
show ip bgp dampened-paths
show ip bgp filter-list
show ip bgp flap-statistics
show ip bgp inconsistent-as
show ip bgp injected-paths
show ip bgp ipv4
show ip bgp ipv4 multicast
show ip bgp ipv4 multicast summary
show ip bgp neighbors
show ip bgp paths
show ip bgp peer-group
show ip bgp quote-regexp
show ip bgp regexp
show ip bgp replication
show ip bgp rib-failure
show ip bgp summary
show ip bgp template peer-policy
show ip bgp template peer-session
show ip bgp update-group
show bgp nsap
To display entries in the Border Gateway Protocol (BGP) routing table for the network service access point (NSAP) address family, use the show bgp nsap command in EXEC mode.
show bgp nsap [nsap-prefix]
Syntax Description
nsap-prefix
|
(Optional) NSAP prefix number, entered to display a particular network in the BGP routing table for the NSAP address family.
This argument may be any length up to 20 octets.
|
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Usage Guidelines
The show bgp nsap command provides output similar to the show ip bgp command, except that it is specific to the NSAP address family.
Examples
The following is sample output from the show bgp nsap command:
BGP table version is 6, local router ID is 10.1.57.11
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 49.0101 49.0101.1111.1111.1111.1111.00
* i49.0202.2222 49.0202.3333.3333.3333.3333.00
*> 49.0202.2222.2222.2222.2222.00
* i49.0202.3333 49.0202.3333.3333.3333.3333.00
*> 49.0202.2222.2222.2222.2222.00
*> 49.0303 49.0303.4444.4444.4444.4444.00
* 49.0404 49.0303.4444.4444.4444.4444.00
*>i 49.0404.9999.9999.9999.9999.00
Table 5 describes the significant fields shown in the display.
Table 5 show bgp nsap Field Descriptions
Field
|
Description
|
BGP table version
|
Internal version number of the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router.
|
Status codes
|
Status of the table entry. The status is displayed at the beginning of each line in the table. It can be one of the following values:
s—The table entry is suppressed.
d—The table entry is dampened.
h—The table entry is history.
*—The table entry is valid.
>—The table entry is the best entry to use for that network.
i—The table entry was learned via an internal BGP (iBGP) session.
|
Origin codes
|
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values:
i—Entry originated from an Interior Gateway Protocol (IGP) and was advertised with a network router configuration command.
e—Entry originated from an Exterior Gateway Protocol (EGP).
?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
|
Network
|
NSAP prefix address of a network entity.
|
Next Hop
|
CLNS network entity title (NET) consisting of area address and system ID of the next system that is used when forwarding a packet to the destination network. This entry may cause a line break with the values of the following fields being displayed on the next line under their respective titles.
|
Metric
|
If shown, the value of the interautonomous system metric. This field is frequently not used.
|
LocPrf
|
Local preference value as set with the set local-preference route-map configuration command. The default value is 100.
|
Weight
|
Weight of the route as set via autonomous system filters.
|
Path
|
Autonomous system paths to the destination network. There can be one entry in this field for each autonomous system in the path.
|
The following is sample output from the show bgp nsap command, showing information for NSAP prefix 49.6005.1234.4567:
Router# show bgp nsap 49.6005.1234.4567
BGP routing table entry for 49.6005.1234.4567, version 2
Paths: (1 available, best #1)
Not advertised to any peer
49.6005.1234.4567.5678.1111.2222.3333.00 from 0.0.0.0 (10.1.1.1)
Origin IGP, localpref 100, weight 32768, valid, sourced, local, best
Note 
If a prefix has not been advertised to any peer, the display shows "Not advertised to any peer."
show bgp nsap community
To display routes that belong to specified network service access point (NSAP) Border Gateway Protocol (BGP) communities, use the show bgp nsap community command in EXEC mode.
show bgp nsap community [community-number] [exact-match | local-as | no-advertise |
no-export]
Syntax Description
community-number
|
(Optional) Valid value is a community number in the range from 1 to 4294967295 or AA:NN (autonomous system-community number/2-byte number).
|
exact-match
|
(Optional) Displays only routes that have an exact match.
|
local-as
|
(Optional) Displays only routes that are not sent outside of the local autonomous system (well-known community).
|
no-advertise
|
(Optional) Displays only routes that are not advertised to any peer (well-known community).
|
no-export
|
(Optional) Displays only routes that are not exported outside of the local autonomous system (well-known community).
|
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Usage Guidelines
The show bgp nsap community command provides output similar to the show ip bgp community command, except that it is specific to the NSAP address family.
Communities are set with the route-map and set community commands. Communities are sent using the neighbor send-community and neighbor route-map out commands. You must enter the numerical communities before the well-known communities. For example, the following string does not work:
Router> show bgp nsap community local-as 111:12345
Use the following string instead:
Router> show bgp nsap community 111:12345 local-as
Examples
The following is sample output from the show bgp nsap community command:
router# show bgp nsap community no-export
BGP table version is 5, local router ID is 10.1.57.14
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 49.0101.11 49.0101.2222.2222.2222.2222.00
Table 6 describes the significant fields shown in the display.
Table 6 show bgp nsap community Field Descriptions
Field
|
Description
|
BGP table version
|
Internal version number of the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router.
|
Status codes
|
Status of the table entry. The status is displayed at the beginning of each line in the table. It can be one of the following values:
s—The table entry is suppressed.
d—The table entry is dampened.
h—The table entry is history.
*—The table entry is valid.
>—The table entry is the best entry to use for that network.
i—The table entry was learned via an internal BGP (iBGP) session.
|
Origin codes
|
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values:
i—Entry originated from an Interior Gateway Protocol (IGP) and was advertised with a network router configuration command.
e—Entry originated from an Exterior Gateway Protocol (EGP).
?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
|
Network
|
NSAP prefix address of a network entity.
|
Next Hop
|
CLNS network entity title (NET) consisting of area address and system ID of the next system that is used when forwarding a packet to the destination network. This entry may cause a line break with the values of the following fields being displayed on the next line under their respective titles.
|
Metric
|
If shown, the value of the interautonomous system metric. This field is frequently not used.
|
LocPrf
|
Local preference value as set with the set local-preference route-map configuration command. The default value is 100.
|
Weight
|
Weight of the route as set via autonomous system filters.
|
Path
|
Autonomous system paths to the destination network. There can be one entry in this field for each autonomous system in the path.
|
Related Commands
Command
|
Description
|
route-map (IP)
|
Defines the conditions for redistributing routes from one routing protocol into another.
|
set community
|
Sets the BGP communities attribute.
|
show bgp nsap community-list
|
Displays BGP community list information for the NSAP address family.
|
show bgp nsap community-list
To display routes that are permitted by the Border Gateway Protocol (BGP) community list for network service access point (NSAP) prefixes, use the show bgp nsap community-list command in EXEC mode.
show bgp nsap community-list community-list-number [exact-match]
Syntax Description
community-list-number
|
Community list number in the range from 1 to 199.
|
exact-match
|
(Optional) Displays only routes that have an exact match.
|
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Usage Guidelines
The show bgp nsap community-list command provides output similar to the show ip bgp community-list command, except that it is specific to the NSAP address family.
Examples
The following is sample output of the show bgp nsap community-list command:
Router# show bgp nsap community-list 1
BGP table version is 6, local router ID is 10.0.22.33
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 49.0a0a.bb 49.0a0a.bbbb.bbbb.bbbb.bbbb.00
Table 7 describes the significant fields shown in the display.
Table 7 show bgp nsap community-list Field Descriptions
Field
|
Description
|
BGP table version
|
Internal version number of the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router.
|
Status codes
|
Status of the table entry. The status is displayed at the beginning of each line in the table. It can be one of the following values:
s—The table entry is suppressed.
d—The table entry is dampened.
h—The table entry is history.
*—The table entry is valid.
>—The table entry is the best entry to use for that network.
i—The table entry was learned via an internal BGP (iBGP) session.
|
Origin codes
|
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values:
i—Entry originated from an Interior Gateway Protocol (IGP) and was advertised with a network router configuration command.
e—Entry originated from an Exterior Gateway Protocol (EGP).
?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
|
Network
|
NSAP prefix address of a network entity.
|
Next Hop
|
CLNS network entity title (NET) consisting of area address and system ID of the next system that is used when forwarding a packet to the destination network. This entry may cause a line break with the values of the following fields being displayed on the next line under their respective titles.
|
Metric
|
If shown, the value of the interautonomous system metric. This field is frequently not used.
|
LocPrf
|
Local preference value as set with the set local-preference route-map configuration command. The default value is 100.
|
Weight
|
Weight of the route as set via autonomous system filters.
|
Path
|
Autonomous system paths to the destination network. There can be one entry in this field for each autonomous system in the path.
|
show bgp nsap dampened-paths
To display network service access point (NSAP) address family Border Gateway Protocol (BGP) dampened routes in the BGP routing table, use the show bgp nsap dampened-paths command in EXEC mode.
show bgp nsap dampened-paths
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Examples
The following is sample output from the show bgp nsap dampened-paths command in privileged EXEC mode:
Router# show bgp nsap dampened-paths
BGP table version is 20, local router ID is 10.1.57.13
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
*d 49.0404 10.2.4.2 00:25:50 65202 65404 i
Table 8 describes the significant fields shown in the display.
Table 8 show bgp nsap dampened-paths Field Descriptions
Field
|
Description
|
BGP table version
|
Internal version number for the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router where route dampening is enabled.
|
*d
|
Route to the network indicated is dampened.
|
From
|
IP address of the peer that advertised this path.
|
Reuse
|
Time (in hours:minutes:seconds) after which the path will be made available.
|
Path
|
Autonomous system path of the route that is being dampened.
|
Related Commands
Command
|
Description
|
bgp dampening
|
Enables BGP route dampening or changes various BGP route dampening factors.
|
clear bgp nsap dampening
|
Clears BGP NSAP prefix route dampening information and unsuppresses the suppressed routes.
|
show bgp nsap filter-list
To display routes in the Border Gateway Protocol (BGP) routing table for the network service access point (NSAP) address family that conform to a specified filter list, use the show bgp nsap filter-list command in privileged EXEC mode.
show bgp nsap filter-list access-list-number
Syntax Description
access-list-number
|
Number of an autonomous system path access list. It can be a number from 1 to 199.
|
Command Modes
Privileged EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Examples
The following is sample output from the show bgp nsap filter-list command:
Router# show bgp nsap filter-list 1
BGP table version is 3, local router ID is 10.0.11.33
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 49.0b0b 49.0b0b.bbbb.bbbb.bbbb.bbbb.00
Table 9 describes the significant fields shown in the display.
Table 9 show bgp nsap filter-list Field Descriptions
Field
|
Description
|
BGP table version
|
Internal version number for the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router.
|
Status codes
|
Status of the table entry. The status is displayed at the beginning of each line in the table. It can be one of the following values:
s—The table entry is suppressed.
d—The table entry is dampened.
h—The table entry is history.
*—The table entry is valid.
>—The table entry is the best entry to use for that network.
i—The table entry was learned via an internal BGP (iBGP) session.
|
Origin codes
|
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values:
i—Entry originated from an Interior Gateway Protocol (IGP) and was advertised with a network router configuration command.
e—Entry originated from an Exterior Gateway Protocol (EGP).
?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
|
Network
|
NSAP prefix address of a network entity.
|
Next Hop
|
CLNS network entity title (NET) consisting of area address and system ID of the next system that is used when forwarding a packet to the destination network. This entry may cause a line break with the values of the following fields being displayed on the next line under their respective titles.
|
Metric
|
If shown, the value of the interautonomous system metric. This field is frequently not used.
|
LocPrf
|
Local preference value as set with the set local-preference route-map configuration command. The default value is 100.
|
Weight
|
Set through the use of autonomous system filters.
|
Path
|
Autonomous system paths to the destination network. There can be one entry in this field for each autonomous system in the path.
|
show bgp nsap flap-statistics
To display Border Gateway Protocol (BGP) flap statistics for network service access point (NSAP) prefixes, use the show bgp nsap flap-statistics command in EXEC mode.
show bgp nsap flap-statistics [regexp regexp | quote-regexp regexp | filter-list access-list-number
| nsap-prefix]
Syntax Description
regexp regexp
|
(Optional) Displays flap statistics for all the paths that match the regular expression.
|
quote-regexp regexp
|
(Optional) Displays flap statistics for all the paths that match the regular expression as a quoted string of characters.
|
filter-list access-list-number
|
(Optional) Displays flap statistics for all the paths that pass the access list.
|
nsap-prefix
|
(Optional) Displays flap statistics for a single entry at this NSAP network number.
|
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Usage Guidelines
The show bgp nsap flap-statistics command provides output similar to the show ip bgp flap-statistics command, except that it is specific to the NSAP address family.
If no arguments or keywords are specified, the router displays flap statistics for all NSAP prefix routes.
Examples
The following is sample output from the show bgp nsap flap-statistics command without arguments or keywords:
Router# show bgp nsap flap-statistics
BGP table version is 20, local router ID is 10.1.57.13
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network From Flaps Duration Reuse Path
*d 49.0404 10.2.4.2 3 00:09:45 00:23:40 65202 65404
Table 10 describes the significant fields shown in the display.
Table 10 show bgp nsap flap-statistics Field Descriptions
Field
|
Description
|
BGP table version
|
Internal version number of the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router.
|
Status codes
|
Status of the table entry. The status is displayed at the beginning of each line in the table. It can be one of the following values:
s—The table entry is suppressed.
d—The table entry is dampened.
h—The table entry is history.
*—The table entry is valid.
>—The table entry is the best entry to use for that network.
i—The table entry was learned via an internal BGP (iBGP) session.
|
Origin codes
|
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values:
i—Entry originated from an Interior Gateway Protocol (IGP) and was advertised with a network router configuration command.
e—Entry originated from an Exterior Gateway Protocol (EGP).
?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
|
Network
|
Route to the network indicated is dampened.
|
From
|
IP address of the peer that advertised this path.
|
Flaps
|
Number of times the route has flapped.
|
Duration
|
Time (in hours:minutes:seconds) since the router noticed the first flap.
|
Reuse
|
Time (in hours:minutes:seconds) after which the path will be made available.
|
Path
|
AS-path of the route that is being dampened.
|
Related Commands
Command
|
Description
|
bgp dampening
|
Enables BGP route dampening or changes various BGP route dampening factors.
|
clear bgp nsap flap-statistics
|
Clears BGP flap statistics for NSAP prefix routes.
|
show bgp nsap inconsistent-as
To display Border Gateway Protocol (BGP) network service access point (NSAP) prefix routes with inconsistent originating autonomous systems, use the show bgp nsap inconsistent-as command in EXEC mode.
show bgp nsap inconsistent-as
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Usage Guidelines
The show bgp nsap inconsistent-as command provides output similar to the show ip bgp inconsistent-as command, except that it is specific to the NSAP address family.
Use the show bgp nsap inconsistent-as command to discover any BGP routing table entries that contain inconsistent autonomous system path information. Inconsistent autonomous path information is useful for troubleshooting networks because it highlights a configuration error in the network.
Examples
The following is sample output from the show bgp nsap inconsistent-as command. In this example, the network prefix of 49.0a0a has two entries in the BGP routing table showing different originating paths. The originating path information should be the same in both entries.
Router# show bgp nsap inconsistent-as
BGP table version is 3, local router ID is 10.1.57.17
Status codes: s suppressed, d damped, h history, * valid, > best, i -internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
* 49.0a0a 49.0a0a.cccc.cccc.cccc.00
*> 49.0a0a.aaaa.aaaa.aaaa.00
Table 11 describes the significant fields shown in the display.
Table 11 show bgp nsap inconsistent-as Field Descriptions
Field
|
Description
|
BGP table version
|
Internal version number of the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router.
|
Status codes
|
Status of the table entry. The status is displayed at the beginning of each line in the table. It can be one of the following values:
s—The table entry is suppressed.
d—The table entry is dampened.
h—The table entry is history.
*—The table entry is valid.
>—The table entry is the best entry to use for that network.
i—The table entry was learned via an internal BGP (iBGP) session.
|
Origin codes
|
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values:
i—Entry originated from an Interior Gateway Protocol (IGP) and was advertised with a network router configuration command.
e—Entry originated from an Exterior Gateway Protocol (EGP).
?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
|
Network
|
NSAP prefix address of a network entity.
|
Next Hop
|
CLNS network entity title (NET) consisting of area address and system ID of the next system that is used when forwarding a packet to the destination network. This entry may cause a line break with the values of the following fields being displayed on the next line under their respective titles.
|
Metric
|
If shown, the value of the interautonomous system metric. This field is frequently not used.
|
LocPrf
|
Local preference value as set with the set local-preference route-map configuration command. The default value is 100.
|
Weight
|
Weight of the route as set via autonomous system filters.
|
Path
|
Autonomous system paths to the destination network. There can be one entry in this field for each autonomous system in the path.
|
show bgp nsap neighbors
To display information about Border Gateway Protocol (BGP) network service access point (NSAP) prefix connections to neighbors, use the show bgp nsap neighbors command in EXEC mode.
show bgp nsap neighbors [ip-address [routes | flap-statistics | advertised-routes | paths regexp |
dampened-routes]]
Syntax Description
ip-address
|
(Optional) IP address of the BGP-speaking neighbor. If you omit this argument, all neighbors are displayed.
|
routes
|
(Optional) Displays all routes received and accepted.
|
flap-statistics
|
(Optional) Displays flap statistics for the routes learned from the neighbor.
|
advertised-routes
|
(Optional) Displays all the routes the networking device advertised to the neighbor.
|
paths regexp
|
(Optional) Regular expression used to match the paths received.
|
dampened-routes
|
(Optional) Displays the dampened routes to the neighbor at the NSAP prefix address specified.
|
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Usage Guidelines
The show bgp nsap neighbors command provides output similar to the show ip bgp neighbors command, except that it is specific to the NSAP address family.
Examples
The following is sample output from the show bgp nsap neighbors command:
Router# show bgp nsap neighbors 10.0.2.3
BGP neighbor is 10.0.2.3, remote AS 64500, external link
BGP version 4, remote router ID 172.17.1.2
BGP state = Established, up for 00:12:50
Last read 00:00:50, hold time is 180, keepalive interval is 60 seconds
Route refresh: advertised and received(new)
Address family NSAP Unicast: advertised and received
Received 17 messages, 0 notifications, 0 in queue
Sent 17 messages, 0 notifications, 0 in queue
Route refresh request: received 0, sent 0
Default minimum time between advertisement runs is 30 seconds
For address family: NSAP Unicast
BGP table version 5, neighbor version 5
Index 2, Offset 0, Mask 0x4
2 accepted prefixes consume 114 bytes
Prefix advertised 2, suppressed 0, withdrawn 0
Number of NLRIs in the update sent: max 1, min 0
Connections established 1; dropped 0
Connection state is ESTAB, I/O status: 1, unread input bytes: 0
Local host: 10.0.2.2, Local port: 11000
Foreign host: 10.0.2.3, Foreign port: 179
Enqueued packets for retransmit: 0, input: 0 mis-ordered: 0 (0 bytes)
Event Timers (current time is 0x115940):
Timer Starts Wakeups Next
iss: 2052706884 snduna: 2052707371 sndnxt: 2052707371 sndwnd: 15898
irs: 1625021348 rcvnxt: 1625021835 rcvwnd: 15898 delrcvwnd: 486
SRTT: 279 ms, RTTO: 446 ms, RTV: 167 ms, KRTT: 0 ms
minRTT: 0 ms, maxRTT: 300 ms, ACK hold: 200 ms
Flags: higher precedence, nagle
Datagrams (max data segment is 1460 bytes):
Rcvd: 30 (out of order: 0), with data: 19, total data bytes: 486
Sent: 29 (retransmit: 1, fastretransmit: 0), with data: 20, total data bytes: 46
Table 12 describes the significant fields shown in the display.
Table 12 show bgp nsap neighbors Field Descriptions
Field
|
Description
|
BGP neighbor
|
IP address of the BGP neighbor and its autonomous system number.
|
remote AS
|
Autonomous system of the neighbor.
|
link
|
If the neighbor is in the same autonomous system as the router, then the link between them is internal; otherwise, it is considered external.
|
BGP version
|
BGP version being used to communicate with the remote router; the router ID (an IP address) of the neighbor is also specified.
|
remote router ID
|
A 32-bit number written as 4 octets separated by periods (dotted decimal format).
|
BGP state
|
Internal state of this BGP connection.
|
up for
|
Amount of time (in hours:minutes:seconds) that the underlying TCP connection has been in existence.
|
Last read
|
Time (in hours:minutes:seconds) that BGP last read a message from this neighbor.
|
hold time
|
Maximum amount of time, in seconds, that can elapse between messages from the peer.
|
keepalive interval
|
Time period, in seconds, between sending keepalive packets, which help ensure that the TCP connection is up.
|
Neighbor capabilities
|
BGP capabilities advertised and received from this neighbor.
|
Route refresh
|
Indicates that the neighbor supports dynamic soft reset using the route refresh capability.
|
Address family NSAP Unicast
|
NSAP unicast-specific properties of this neighbor.
|
Received
|
Number of total BGP messages received from this peer, including keepalives.
|
notifications
|
Number of error messages received from the peer.
|
Sent
|
Total number of BGP messages that have been sent to this peer, including keepalives.
|
notifications
|
Number of error messages the router has sent to this peer.
|
Route refresh request
|
Number of route refresh requests sent and received from this neighbor.
|
advertisement runs
|
Value of minimum advertisement interval.
|
For address family
|
Address family to which the following fields refer.
|
BGP table version
|
Indicates that the neighbor has been updated with this version of the primary BGP routing table.
|
neighbor version
|
Number used by the software to track the prefixes that have been sent and those that must be sent to this neighbor.
|
Community attribute (not shown in sample output)
|
Appears if the neighbor send-community command is configured for this neighbor.
|
Inbound path policy (not shown in sample output)
|
Indicates that an inbound filter list or route map is configured.
|
Outbound path policy (not shown in sample output)
|
Indicates that an outbound filter list, route map, or unsuppress map is configured.
|
bgp-in (not shown in sample output)
|
Name of the inbound update prefix filter list for the NSAP unicast address family.
|
aggregate (not shown in sample output)
|
Name of the outbound update prefix filter list for the NSAP unicast address family.
|
uni-out (not shown in sample output)
|
Name of the outbound route map for the NSAP unicast address family.
|
accepted prefixes
|
Number of prefixes accepted.
|
Prefix advertised
|
Number of prefixes advertised.
|
suppressed
|
Number of prefixes suppressed.
|
withdrawn
|
Number of prefixes withdrawn.
|
history paths (not shown in sample output)
|
Number of path entries held to remember history.
|
Connections established
|
Number of times the router has established a TCP connection and the two peers have agreed to speak BGP with each other.
|
dropped
|
Number of times that a good connection has failed or been taken down.
|
Last reset
|
Elapsed time since this peering session was last reset.
|
Connection state
|
State of the BGP peer.
|
unread input bytes
|
Number of bytes of packets still to be processed.
|
Local host, Local port
|
Peering address of local router, plus port.
|
Foreign host, Foreign port
|
Peering address of the neighbor.
|
Event Timers
|
Table that displays the number of starts and wakeups for each timer.
|
iss
|
Initial send sequence number.
|
snduna
|
Last send sequence number the local host sent but for which it has not received an acknowledgment.
|
sndnxt
|
Sequence number the local host will send next.
|
sndwnd
|
TCP window size of the remote host.
|
irs
|
Initial receive sequence number.
|
rcvnxt
|
Last receive sequence number the local host has acknowledged.
|
rcvwnd
|
TCP window size of the local host.
|
delrcvwnd
|
Delayed receive window—data the local host has read from the connection but has not yet subtracted from the receive window the host has advertised to the remote host. The value in this field gradually increases until it is larger than a full-sized packet, at which point it is applied to the rcvwnd field.
|
SRTT
|
Calculated smoothed round-trip time (SRTT).
|
RTTO
|
Round-trip timeout.
|
RTV
|
Variance of the round-trip time.
|
KRTT
|
New round-trip timeout (using the Karn algorithm). This field separately tracks the round-trip time of packets that have been re-sent.
|
minRTT
|
Smallest recorded round-trip timeout (hard wire value used for calculation).
|
maxRTT
|
Largest recorded round-trip timeout.
|
ACK hold
|
Time (in milliseconds) the local host will delay an acknowledgment in order to "piggyback" data on it.
|
Flags
|
IP precedence of the BGP packets.
|
Datagrams: Rcvd
|
Number of update packets received from neighbor.
|
with data
|
Number of update packets received with data.
|
total data bytes
|
Total bytes of data.
|
Sent
|
Number of update packets sent.
|
with data
|
Number of update packets with data sent.
|
total data bytes
|
Total number of data bytes.
|
The following is sample output from the show bgp nsap neighbors command with the advertised-routes keyword:
Router# show bgp nsap neighbors 10.0.2.3 advertised-routes
BGP table version is 5, local router ID is 172.17.1.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 49.0101 49.0101.1111.1111.1111.1111.00
*> 49.0202 49.0202.2222.2222.2222.2222.00
The following is sample output from the show bgp nsap neighbors command with the routes keyword:
Router# show bgp nsap neighbors 10.0.2.3 routes
BGP table version is 5, local router ID is 172.17.1.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 49.0303 49.0303.3333.3333.3333.3333.00
*> 49.0404 49.0303.3333.3333.3333.3333.00
Total number of prefixes 2
Table 13 describes the significant fields shown in the display.
Table 13 show bgp nsap neighbors Field Descriptions with advertised-routes and routes keywords
Field
|
Description
|
BGP table version
|
Internal version number of the table. This number is incremented whenever the table changes.
|
local router ID
|
IP address of the router.
|
Status codes
|
Status of the table entry. The status is displayed at the beginning of each line in the table. It can be one of the following values:
s—The table entry is suppressed.
d—The table entry is dampened.
h—The table entry is history.
*—The table entry is valid.
>—The table entry is the best entry to use for that network.
i—The table entry was learned via an internal BGP (iBGP) session.
|
Origin codes
|
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values:
i—Entry originated from an Interior Gateway Protocol (IGP) and was advertised with a network router configuration command.
e—Entry originated from an Exterior Gateway Protocol (EGP).
?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
|
Network
|
NSAP prefix address of a network entity.
|
Next Hop
|
CLNS network entity title (NET) consisting of area address and system ID of the next system that is used when forwarding a packet to the destination network. This entry may cause a line break with the values of the following fields being displayed on the next line under their respective titles.
|
Metric
|
If shown, the value of the interautonomous system metric. This field is frequently not used.
|
LocPrf
|
Local preference value as set with the set local-preference route-map configuration command. The default value is 100.
|
Weight
|
Weight of the route as set via autonomous system filters.
|
Path
|
Autonomous system paths to the destination network. There can be one entry in this field for each autonomous system in the path.
|
The following is sample output from the show bgp nsap neighbors command with the paths keyword:
Router# show bgp nsap neighbors 10.0.3.3 paths ^101
Address Refcount Metric Path
Note The caret (^) symbol in the example is a regular expression that is entered by simultaneously pressing the Shift and 6 keys on your keyboard. A caret (^) symbol at the beginning of a regular expression matches the start of a line.
Table 14 describes the significant fields shown in the display.
Table 14 show bgp nsap neighbors paths Field Descriptions
Field
|
Description
|
Address
|
Internal address where the path is stored.
|
Refcount
|
Number of routes using that path.
|
Metric
|
The Multiple Exit Discriminator (MED) metric for the path. (The name of this metric for BGP versions 2 and 3 is INTER_AS.)
|
Path
|
The AS-path for that route, followed by the origin code for that route.
|
The following sample output from the show bgp nsap neighbors command shows the NSAP prefix dampened routes for the neighbor at 10.0.2.2:
Router# show bgp nsap neighbors 10.0.2.2 dampened-routes
BGP table version is 10, local router ID is 172.17.1.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
*d 49.0101 10.0.2.2 00:25:50 202 101 i
The following sample output from the show bgp nsap neighbors command shows the NSAP prefix flap statistics for the neighbor at 10.0.2.2:
Router# show bgp nsap neighbors 10.0.2.2 flap-statistics
BGP table version is 10, local router ID is 10.1.57.14
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network From Flaps Duration Reuse Path
*d 49.0101 10.0.2.2 3 00:07:00 00:24:50 202 101
Related Commands
Command
|
Description
|
neighbor activate
|
Enables the exchange of information with a neighboring router.
|
show bgp nsap paths
To display all the Border Gateway Protocol (BGP) network service access point (NSAP) prefix paths in the database, use the show bgp nsap paths command in EXEC mode.
show bgp nsap paths [AS-path-regexp]
Syntax Description
AS-path-regexp
|
(Optional) Regular expression that is used to match the received paths in the database.
|
Command Modes
EXEC
Command History
Release
|
Modification
|
12.2(8)T
|
This command was introduced.
|
Usage Guidelines
The show bgp nsap paths command provides output similar to the show ip bgp paths command, except that it is specific to the NSAP address family.
Examples
The following is sample output from the show bgp nsap paths command without a specified regular expression:
Router# show bgp nsap paths
Address Hash Refcount Metric Path
0x62280364 1197 1 0 202 101 i
0x62280448 1739 1 0 202 i
0x622803B0 1941 1 0 404 i
Table 15 describes the significant fields shown in the display.
Table 15 show bgp nsap paths Field Descriptions
Field
|
Description
|
Address
|
Internal address where the path is stored.
|
Hash
|
Hash bucket where the path is stored.
|
Refcount
|
Number of routes using that path.
|
Metric
|
The Multiple Exit Discriminator (MED) metric for the path. (The name of this metric for BGP versions 2 and 3 is INTER_AS.)
|
Path
|
The AS-path for that route, followed by the origin code for that route.
|
show bgp nsap quote-regexp
To display Border Gateway Pro
