Table Of Contents
Release Notes for Cisco ONS 15305 Release 2.0.2
Release notes address closed (maintenance) issues, caveats, and new features for the Cisco ONS 15305. For detailed information regarding features, capabilities, hardware, and software introduced with this release, refer to Release 2.0 of the Cisco ONS 15305 Installation and Operations Guide. For the most current version of the Release Notes for Cisco ONS 15305 Release 2.0.2, visit the following URL:
Cisco also provides Bug Toolkit, a web resource for tracking defects. To access Bug Toolkit, visit the following URL:
Changes to the Release Notes
This section documents supplemental changes that have been added to the Release Notes for Cisco ONS 15305 Release 2.0.2 since the production of the Cisco ONS 15305 System Software CD for Release 2.0.2.
No changes have been added to the release notes for Release 2.0.2.
Review the notes listed below before deploying the ONS 15305. Caveats with DDTS tracking numbers are known system limitations that are scheduled to be addressed in a subsequent release. Caveats without DDTS tracking numbers are provided to point out procedural or situational considerations when deploying the product.
DDTS # CSCei15120
Incoming IGMP packets are VLAN-tagged, and hold the VID of a VLAN that is configured on the device. The ingress port is not a member of a named VLAN. In some rare configurations this could create a loop in the topology, and a storm of replicated IGMP packets. The IGMP packets reach the VLAN even though the ingress port is not member of the VLAN. Thus VLAN-tagged IGMP packets bypass ingress filtering.
There is usually no need for a configuration that allows this to happen.
Verify that the VLAN configuration in the topology is consistent and does not contain any partially configured links. This issue is under investigation.
DDTS # CSCei15125
Changing the system mode from IP (default) to IP unnumbered can result in problems.
Release 2.0 software is limited with respect to changing the system mode from IP (default) to IP unnumbered.
Even though there are IP addresses and routing protocols configured on an NE the operator does not receive any notification. Notification could enable the operator to forestall the change until necessary configuration changes have been made.
From a software design point of view, the configuration of system mode for DCN routing is seen as a strategic choice, which the operator should configure prior to configuring the IP address and protocols on the device. The reason for this is that the network design is different for each of the system modes.
The consequence for changing the system mode from IP to IP unnumbered is complicated and severe problems can result if handled incorrectly. In the worst case, you might not be able to regain IP connectivity to the NE.
Generally, the safest alternative is to erase the configuration prior to changing the system mode. If you do not wish to lose your configuration, however, the following steps have proved successful.
Step 1 Locally connect to a MNGT-port and connect with CiscoEdgeCraft.
Step 2 Remove all IP addresses in the IP interface table except for the MNGT-port address (IF=1000).
Step 3 Remove all static configured routes (even the 0.0.0.0 route).
Step 4 Disable active routing protocols (RIP and/or OSPF).
Step 5 Locally connect to the device via ONSCLI (VT100).
Step 6 Remove the IP address assigned to the management port (ONSCLI>ip ip=0.0.0.0 sub=0.0.0.0).
Step 7 Set the system mode to IP unnumbered (IPUN) and reset the device.
Step 8 Change the IP address (MNGT-port) to fit your new network design and reconfigure the SNMP community.
Step 9 Reconnect to the device with CiscoEdgeCraft.
Step 10 Commission IP unnumbered configuration; IP over PPP (DCC), OSPF, etc.
Note This procedure cannot be obtained via remote access to the network element.
DDTS # CSCeg61386
FE port blocked when a port configuration is changed. The port does not forward traffic, but port status is reported as up.
This issue can occur when the FE port has been configured for L1 and a bandwidth larger than 0 has been allocated. If the port is reconfigured to L2, the port will not forward traffic when there is an alarm on the vcgroup connected to the port, in L1 mode, prior to the reconfiguration to L2.
Ensure that on a port running in L1 mode, with an administrative capacity larger than 0, your operational capacity downstream is larger than 0, then reduce the administrative bandwidth of the port to 0 before switching over to L2 configuration.
If a reconfiguration of the port has occurred without following the above procedure, the module must be restarted. A reconfiguration back to L1 operation will not be sufficient unless an operational capacity greater than zero is restored and the procedure described above is repeated. This issue will be resolved in the next release.
DDTS # CSCea33337
Port priority is not strictly enforced when flow control is on. This can occur under the following conditions.
The four input ports are set for 100 MB (64 bytes).
Port 1 priority is set for 6
Port 2 priority is set for 4
Port 3 priority is set for 0
"Port 4 priority is set for 1
VLAN tagging is turned off for all of the FE ports while VLAN tagging is turned on for the STM1 trunk port. (This adds an additional 4 bytes to each stream.) Flow control is turned on for all the FE ports When all the ports are turned on, only Port 1 should have priority. Instead, traffic is received on both Ports 1 and 2 at almost 60/40% on each port (81,168 versus 60,876). This issue will be resolved in a future release.
DDTS # CSCeb22543
The failure is present in different corners and at different temperatures. We have Errors (#14 B3 errors in 24 hour of test, #1 Loss of Pattern) on a STM-1 link with #3 8xSTM-1 modules. We records also packet lost on a FE link mapped into STM-1 optical path. When these errors / packet lost happens, we record from Cisco Craft a lot of "DXC inlet bit error" alarms. No other type of alarms has been recorded from the Cisco-Craft. All these 3 event happens at the same time, so the root cause should be the same.
DDTS # CSCea71600
The fail is related on module 8xSTM-1. During EDVT corner 5 & corner 7:
Corner 5: power supplies on the modules at -5% except power supply DC-DC module at +5%, Temperature= +50°C
Corner 7: each power supplies at -5%, Temperature= +50°C this module does not starts. This cause fail on the traffic path related to this modules.
The number of fails is:
•C5:board_3 module 8xSTM-1 SN0307008095, 2 times / 10 tests
•C7:board_3 module 8xSTM-1 SN0307008095, 1 time / 10 tests
•C7:board_4 module 8xSTM-1 SN0303006397, 1 time / 10 tests
When this fail happens, record the following alarm from the Cisco EdgeCraft:
"slot3 inlet Fail DXC inlet failure".
64 byte packets are lost when testing flow control
DDTS # CSCea31245
When sending 100 Mb from two ports to a single port, the packets are lost when the size is 64 byte. When the size is increased to 75 byte, the packet loss goes away
This type of traffic is not typical for a device in normal operation but it can occur in a lab test setup
DDTS # CSCea33354
No pause packets received on ports sending traffic to a congested mirrored port.
If a mirrored port becomes congested and flow control is enabled, no pause packets are generated toward ports belonging to other modules. Flow control is not working properly if ports used for mirroring become congested. If traffic to a mirrored port is sent from a LAN port situated in a different module than the mirrored port pause packets are not received and mirrored packets are lost. The real traffic flow is not disturbed by the mirrored port flow control problem, and the copy port traffic handling is working fine.
DDTS # CSCeg58254
When operating in L2 mode, Ethernet frames with MAC destination address in the range 01:80:C2:00:00:10 to 01:80:C2:00:00:FF are not correctly filtered due to limitations in the switch ASIC. Special steps are taken to forward 0 1:80:C2:00:00:14 and:15 (IS hello).
01:80:C2:00:00:14 and:15 are not forwarded if one is employing Provider VLAN by using Ethertype 0xFFFF (legacy provider VLAN).
Legacy VLAN tunneling in use.
Use protocol tunneling supported by 2xGE + SMAP and 8xFE + SMAP to provide transparent Ethernet (with or without provider VLAN).
DDTS # CSCea33042
Same priority and same packet size yields different traffic flows.
There are 4 streams setup each has the same packet size (64 byte) going across 100 Mb STM-1 path to another ONS15305. Each of the streams can be off as much as 50%. This is not always the case, sometimes the traffic can be equally distributed. However, using random packet sizes, the distribution seems to be more equal.
This type of traffic in not typical for a device in normal operation, but it can occur in a lab test setup.
DDTS # CSCea33196
Unfair distribution of intermodular traffic with flow control can occur. If traffic is sent from several ports in different modules and flow control is active, traffic throughput is less for ports belonging to same module as the congested.
Port 2 module 1, port 1 module 2 and port 1 module 3 send 100Mb traffic streams to port 1 module 1. All ports have flow control enabled. The result is that more traffic is sent from the ports in module 2 and 3 compared to what is sent from the port in module 1. No packet loss from any module occurs. This issue will be resolved in a future release.
DDTS # CSCeg58260
System-up-time should be able to store up-time up to approximately 497 days. Experience shows this counters wraps around well before (appr. 40 days).
DDTS # CSCeg58273
AbortTftp events reported on unsuccessful ping.
When using \223ping utility\224 from AXXCRAFT, and the ping is not successful, abortTftp events are reported. Tftp events are not relevant in this context.
DDTS # CSCeg58278
802.1p does not work satisfactorily for WAN ports on 4xFE+4xMAP, 8xSTM-1+8xMAP and 8xMAP modules.
In some cases the different priority tags of frames going out on WAN ports are ignored.
The number of VC-12s allocated to a WAN port is less than 47 (i.e. the capacity of the WAN link is less than 100M it/s). The switch sees the wan port as an FE port, and will not see the need for prioritizing between the frames. Thus adapting the traffic to the actual bandwidth is handed over to the FPGA mapping the frames into SDH.
Solved for 2xGE + SMAP and 8xFE + SMAP modules.
DDTS # CSCeg58295
Disabling OSPF causes device-restart if Stub area exists (IP-Numbered mode only).
Device restarts when disabling OSPF if stub area exists.
DDTS # CSCeg58300
Static Unicast Table (number of entries) causes device-restart.
Administratively set a value for Unicast-Global-Forwarding Table causes device restart.
If configuring a value for Unicast-Global-Forwarding table \223AfterReset\224 lower than the number of static entries in the table, and then select software reset for the device, a device restart will be experienced.
Avoid configuring a lower number than statically configured in the Unicast-Global-Forwarding table.
DDTS # CSCeg58312
Max aging time is 650 sec.
When the setting for aging time is set above 650 seconds, aging still starts at 650 seconds.
1. Fill the forwarding table using SmartBits to generate different source addresses (default forwarding table size is 8192).
2. The default aging time is 3600, but still the number of entries in the table starts to reduce at approximately 650 seconds.
DDTS # CSCeg58361
Unnecessary LINK_DOWN events reported in history after boot/restart.
DCC Link "down" events reported in "notification history" after boot.
All DCC channels, even if not represented by DCC applicable HW, reports LINK "DOWN" in notification history after device power up (restart).
DDTS # CSCeg58364
Auto negotiation for Flow control on LANx-ports does not work (2xGE_SMAP only).
The PAUSE-capable bit is not announced during auto negotiation when Flow Control is set to AutoNeg.
Only for 2xGE_SMAP.
DDTS # CSCeg58372
There is an RSTP and GVRP conflict.
If both RSTP and GVRP run simultaneously, a device-restart may be experienced when disabling GVRP.
RSTP must be disabled before disabling GVRP.
DDTS # CSCeg58380
SNC Protected unidirectional cross-connection not supported. When one direction of a path forms part of an SNC protected unidirectional cross-connection, the other direction can not form part of a different SNC protected unidirectional cross-connection. But the two directions can form part of two different unidirectional un-protected cross-connections. This applies to unidirectional cross-connections on all path layers.
For example, suppose the unidirectional VC-12 cross-connection from 1/1/18.104.22.168.1 (input) to 1/2/22.214.171.124.1 (output) is SNC protected by 1/3/126.96.36.199.1 (input). In this case, the output direction of 1/1/188.8.131.52.1 and /3/184.108.40.206.1, and the input direction of 1/2/220.127.116.11.1 are un-used. However, due to the above mentioned limitation, they can not be part of a new SNC protected unidirectional cross-connection, e.g. from 1/2/18.104.22.168.1 (input) to 1/1/22.214.171.124.1 (output) protected by 1/14/126.96.36.199.1. They may however form part of un-protected unidirectional cross-connections.
DDTS # CSCeg58388
Device reboots if switching OSPF InterfaceType from "point-to-point" to "broadcast," or if disabling OSPF while InterfaceType is "point-to-point". This issue is observed when OSPF is enabled, the OSPF Interface table is populated and the InterfaceType of an entry in the OSPF Interface table is changed to "point-to-point."
Restore a CDB-backup without the incorrect interface type configured. If you don't have such a CDB-backup, SUPPORT can assist in modifying the CDB-backup of your current configuration.
DDTS # CSCeg58398
Device initiates an additional boot sequence when restarted after CDB-restoration, to clean up invalid configuration data, after which the ProviderTags parameter is set to "disabled."
VLAN membership or tag status of an Ethernet port has been changed after the parameter ProviderTags has been enabled, and the device has been rebooted (due to software/firmware upgrade, or restore of configuration database).
Disable ProviderTags parameter when removing the port from the VLAN or changing its tag status.
DDTS # CSCef88892
When first configuring IP numbered DCN management link between ONS15305 and ONS15454SDH, the link may not come up.
For the DCN link to come up, one must toggle the mode field, on ONS15305, from "IpOverDcc" to "Not Used" then back to "IpOverDcc".
DDTS # CSCeg11010
Some dccR and dccM Mode field may reset to "Not Used" after upgrade to R2.0 in IP numbered mode.
Mode fields for all pre-provisioned dccR and dccM must be revisited and reconfigured for "Poverty".
DDTS # CSCeg11478
Reverting from R2.0 back to R1.1.1 will fail.
The following procedure must be used to successfully revert back to Release 1.1.1, after upgrading to release 2.0:
1. Main card firmware, 45004-70AA_PM_ ED05.bin, must be uploaded first.
2. Software file, 45004-77AB_PM_ED06.bin, must be uploaded.
3. Definition file, 55004-01AB_PM_ED06.def, must be uploaded.
DDTS # CSCeg45943
The Mac table overflow "Duration Timer" does not increment.
After overloading the forwarding database a "bridge table overflow" occurs, but the duration of the condition stays at 0h 0m 0s.
Resolved Caveats for Release 2.0.2
The following caveats are resolved as of Release 2.0.2.
•Packet buffer hang. No traffic is running on WAN port in the receiver direction, towards the switch port. There are no alarms or other symptoms on a failure. Can be experienced on the 8xSTM-1 modules.
•Flow control enable/disable. Flow control is not disabled on the SDH side of the WAN port when flow control is disabled on the Switch side of the WAN port. The flow control packets will be dropped in the switch, and therefore the operator will see no difference in the behavior.
•Pause packet detection. Packets with multicast address 01-80-C2-00-00-01 but with length/type field different from 8808 and control opcode field different from 00-01 may be misinterpreted as pause packets, and therefore lead to reduced link capacity on links where flow control is enabled. Can be experienced on the following modules: STM1-8, GE-2+MAP and E100-8+MAP.
•Operational Wan-capacity calculation when Admin=0.When EoS proprietary mapping is used and the Administrative capacity is set to 0Mbit/s, the operational capacity may be reported different from 0Mbit/s. Can be experienced on the following modules: E100-8+MAP.
•PM data collection. False G.826 performance errors may be reported on VC-channels in a VCG connected to a LANx or WANx port. Can be experienced on the following modules: E100-8+MAP.
•MNGT-port blocked. The mngt-port occasionally locks-up, resulting in loss of management connectivity to the device. A recovery mechanism is now in place (re-initializing the transmitter).
•OH-byte map-table entry is cleared (slot/port) when UNMAPPING an OH-byte configuration.
•Reduce MTU on management interfaces (DCC channels) to 1500.
•Fixed bug in handling of IP packets larger than 1500 bytes sent and received by CPU.
•Improved System Controller diagnostics.
•Remove "clear" command from terminal-prompt.
•Relocation of application-code in CompactFlash, according R2.0 mapping, is corrected.
•Fixed - device reboots if switching OSPF InterfaceType from "point-to-point" to "broadcast". CEC R.2.0.2 and onwards does not allow changing this parameter.
•Add timer supervision on deteriorating external clock reference (2MHz sync input port).
•FE port blocks when port configuration is changed (L1-L2 transition), DDTS # CSCeg61386.
•Receiving OSPF LSA-update on the MNGT-port lead to reboot. (IPUN only).
•Correct Temp-Serial-Buffer usage, possible device reboot when VT100/Mngt-port connected.
•Extended Signal Label not presented correctly (CEC R.2.0.2 or newer is required for this feature).
•The metric displayed in routing table was110 independent of hop count to destination address for routes learned via the OSPF algorithm. (IPUN only).
•ONSCLI Running-configuration command improvements (alarm data / IP-data / module HW-inventory).
•ONSCLI Merge debug-counters and log-file commands to "display-debug-info" and "clear-debug-info."
•SNC Protected unidirectional Cross-connection are now supported. DDTS # CSCeg58380
•There was a possibility for generation of crc-errors when flow-control is disabled on WAN-port.
•There was a possibility that a WANx- port could stop forwarding traffic, and continuously send pause frames out on the link.
•When sending Ethernet frames over 46 or more VC-12s, there was a drastic reduction in throughput when flow control was enabled (WANx-port).
•When tags were inserted, the default port priority was always used for selecting forwarding queue on FE-LANx ports.
•When sending Ethernet frames over proprietary EoS mapping (WANx-port), the performance was lower than on WAN-port due to the fact that 8 HDLC flags were inserted between frames instead of 1 HDLC flag.
•The throughput was too low when using half duplex on FE-LANx ports.
•When flow-control was enabled and the traffic consisted of frames with length 9k bytes or slightly less, some frames were dropped on FE-LANx (L1) ports.
•DDTS CSCeg58364; auto negotiation for Flow control on LANx-ports now works (GE-2+MAP only).
•The GFP FCS error counters did not count correct.
•Certain types of LSAs entering a ring of NEs running OSPF over IPUN interfaces provoked restart of the NEs (due to endless circulation).
•Enabling PRIORITY is now possible if FlowControl has ever been enabled (applied only for Ethernet ports on GE-2+MAP).
•Jumbo frames are now dropped if Jumbo-frames are disabled (GE-2+MAP only). Read correct port speed (GE-2+MAP only).
The following caveats are resolved as of Release 2.0.
•Back pressure with 64 bytes packets causes loss and uneven distribution
•GigE port does not handle traffic in fiber w/auto Gen enabled
•Restart triggered when receiving a specific frame (Bootp)
•GigE port/Incorrect media/connection
•Mismatch between "Running SW Revision" presented during start-up and the actual software in the equipment.
New Features and Functionality
This section highlights new features and functionality for Release 2.0. For an overview of features of the 15305, consult the Cisco ONS 15305 Installation and Operations Guide, Release 2.0.
The following new module types have been added for Release 2.0.
•2-port Gigabit Ethernet module with WAN mapper (Configurable modes; 2xLANx+0xWANx or 2xLANx+2xWANx).
•8-port Fast Ethernet module with WAN mapper (Configurable modes; 14xLANx+2xWANx or 8xLANx+8xWANx).
The following additional features have been added for Release 2.0.
•Contiguous concatenation according to G.707, for STM-4 and STM-16: VC-4-4c.
•SNC/n (Sub Network Connection Protection with non-intrusive monitoring).
•IPPM (Intermediate path performance monitoring) for up to 63 paths'.
•VCAT on VC-12, VC-3 and VC-4.
•GFP-F on new Ethernet modules.
•Soft LCAS bidirectional on new Ethernet modules.
•Standard LCAS on new Ethernet modules.
•IP In-band solution for management connectivity when L1 mode is used for Ethernet transport. Configurable modes: 192kbit/s or 512kbit/s.
•Rapid Spanning Tree Protocol (RSTP) per device.
•IP unnumbered for management connectivity. Introduced as System mode for MCN configuration. Needs to be set in ONSCLI since:
–It is a strategic choice for IP configuration
–Planning of MCN.
•OSPF interoperable with ONS15454 SDH on DCN architectures.
•L1 Ethernet transport on new Ethernet modules.
•Support for frame size up to 9,216 octets for L1 services
•Provider VLAN (QinQ), Ether type 8100, is supported on new Ethernet modules.
•Protocol Tunnelling. All MAC addresses in range; 0180C2000000 to 0180C20000FF, except for 0180C2000001, is transported transparently, including the following protocols:
–RSTP, MSTP, STP, GVRP, GMRP, LACP and 802.1x
The following miscellaneous features have been added for Release 2.0.
•Bulk transfer - CXC tables, Alarm history and PM data (PM data just applicable for higher level management solution).
•Complete Network Release Download including "update policy".
•E1 Performance Monitoring
•E1 Fixed pointer support for synchronization of e.g. base stations
•DCC transparency (Cisco Edge Craft will now handle this feature).
•NE "running status" commands added in ONSCLI.
•SNCP Switch Event.
•WAN Port "down" alarm
•DCC Termination Failure. CSF alarm is now supported for all DCC encapsulations supported.
•SNCP Performance parameters (Non-intrusive monitors).
•Telmon debug counter visibility in ONSCLI.
•Configurable CRC 16/32 in DCC for PPP encapsulation.
•Pointer adjustment notification (Excessive Pointer justification alarm). Configurable threshold levels Introduced to discover synchronization problems in network.
•Improved Password Recovery routine, generated based upon the overall serial number of NE.
•Feature licenses will from now on be generated based upon the overall serial number of NE.
•Improved optical level presentation when LOS. Displays now ---
•Optimized buffer handling in NE for sending traps to manager.
•Alarm log increased from 1000 to 500.
•Release Notes for Cisco ONS 15302 Release 2.0.2
•Release Notes for Cisco ONS 15305 Release 2.0
•Release Notes for Cisco Edge Craft Release 2.0.1
•Cisco ONS 15305 Quick Installation Guide, Release 2.0
•Cisco ONS 15305 Installation and Operations Guide, Release 2.0
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