デバッグ状態の確認
次に、show platform conditions コマンドの出力例を示します。
Device# show platform conditions
Conditional Debug Global State: Start
Conditions Direction
----------------------------------------------------------------------------------------------|---------
All Interfaces & MPLS [ALL LABEL] & IPV4 Filter [ALL PROTO] [host 10.20.24.17] [host 10.20.25.16] both bi
Feature Condition Type Value
-----------------------|------------------------|--------------------------------------------------------
Feature Type Submode Level
------------|-------------|----------------------------------------------------------------------------------------------|----------
この出力では、「Conditional Debug Global State: Start」は、デバッグが有効であることを示しています。デバッグフィルタの設定も確認できます。
パケットトレース統計情報
次に、show platform packet-trace statistics コマンドの出力例を示します。 Device# show platform packet-trace statistics
Packets Summary
Matched 2
Traced 2
Packets Received
Ingress 0
Inject 0
Packets Processed
Forward 0
Punt 0
Drop 0
Consume 0
PKT_DIR_IN
Dropped Consumed Forwarded
INFRA 0 0 0
TCP 0 0 0
UDP 0 0 0
IP 0 0 0
IPV6 0 0 0
ARP 0 0 0
PKT_DIR_OUT
Dropped Consumed Forwarded
INFRA 0 0 0
TCP 0 0 0
UDP 0 0 0
IP 0 0 0
IPV6 0 0 0
ARP 0 0 0
この出力では、「Matched」と「Traced」は一致したパケットおよびトレースされたパケットの数を示しています。
MPLS 経由で一致する IPv4 および IPv6 をデコード
次に、show platform packet-trace packet 0 decode コマンドの出力例を示します。
Device# show platform packet-trace packet 0 decode
Packet: 0 CBUG ID: 39872
Summary
Input : GigabitEthernet5
Output : GigabitEthernet1
State : FWD
Timestamp
Start : 10090556741529 ns (12/02/2022 05:54:03.730220 UTC)
Stop : 10090556747391 ns (12/02/2022 05:54:03.730226 UTC)
Path Trace
Feature: MPLS(Output)
Input : GigabitEthernet5
Output : Tunnel1
Label Stack Entry[1]: 0x003eb17f
StackEnd:YES, TTL:127, EXP:0, Label:1003, is SDWAN:YES
SDWAN Proto: IPV4, SDWAN dst_vpn: 1
Feature: MPLS_OUTPUT_L2_REWRITE
Entry : Output - 0x81323e6c
Input : GigabitEthernet5
Output : Tunnel1
Lapsed time : 239 ns
Feature: DEBUG_COND_MAC_EGRESS
Entry : Output - 0x81499d88
Input : GigabitEthernet5
Output : Tunnel1
Lapsed time : 33 ns
Feature: MPLS_OUTPUT_FRAG
Entry : Output - 0x814cdb3c
Input : GigabitEthernet5
Output : Tunnel1
Lapsed time : 152 ns
Feature: SDWAN_LOSS_PROTECT_TX
Entry : Output - 0x814d962c
Input : GigabitEthernet5
Output : Tunnel1
Lapsed time : 15 ns
Feature: MPLS_SDWAN_TUNNEL_OUTPUT_FINAL
Entry : Output - 0x814d60cc
Input : GigabitEthernet1
Output : Tunnel1
Lapsed time : 157 ns
Feature: SDWAN_TUNNEL_PRE_CHK_LKUP
Entry : Output - 0x814d911c
Input : GigabitEthernet1
Output : Tunnel1
Lapsed time : 19 ns
Feature: SDWAN_TUNNEL_PRE_QOS_OUTPUT
Entry : Output - 0x814d956c
Input : GigabitEthernet1
Output : Tunnel1
Lapsed time : 70 ns
Feature: SDWAN_TUNNEL_OUTPUT_UNIFY_FNF_FINAL
Entry : Output - 0x814aaa68
Input : GigabitEthernet1
Output : Tunnel1
Lapsed time : 95 ns
Feature: IPV4_OUTPUT_IPSEC_SDWAN_FEATURE
Entry : Output - 0x814c7480
Input : GigabitEthernet1
Output : Tunnel1
Lapsed time : 101 ns
Feature: IPV4_OUTPUT_IPSEC_CLASSIFY
Entry : Output - 0x814c7438
Input : GigabitEthernet1
Output : Tunnel1
Lapsed time : 151 ns
Feature: IPV4_IPSEC_FEATURE_RETURN
Entry : Output - 0x814c7478
Input : GigabitEthernet1
Output : Tunnel1
Lapsed time : 35 ns
Feature: IPV4_TUNNEL_PRE_GOTO_OUTPUT
Entry : Output - 0x814d60c4
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 461 ns
Feature: CBUG_OUTPUT_FIA
Entry : Output - 0x81499d68
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 35 ns
Feature: IPV4_VFR_REFRAG
Entry : Output - 0x814c894c
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 33 ns
Feature: DEBUG_COND_APPLICATION_OUT_CLR_TXT
Entry : Output - 0x81499d74
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 11 ns
Feature: IPV4_OUTPUT_L2_REWRITE
Entry : Output - 0x81323e50
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 53 ns
Feature: DEBUG_COND_MAC_EGRESS
Entry : Output - 0x81499d88
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 34 ns
Feature: DEBUG_COND_APPLICATION_OUT
Entry : Output - 0x81499d78
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 11 ns
Feature: IPV4_OUTPUT_FRAG
Entry : Output - 0x814c78e8
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 44 ns
Feature: IPV4_OUTPUT_DROP_POLICY
Entry : Output - 0x814d16b8
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 247 ns
Feature: IPV4_OUTPUT_SDWAN_FNF_FINAL
Entry : Output - 0x814aaa4c
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 74 ns
Feature: DEBUG_COND_OUTPUT_PKT
Entry : Output - 0x81499d8c
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 24 ns
Feature: MARMOT_SPA_D_TRANSMIT_PKT
Entry : Output - 0x814df374
Input : GigabitEthernet1
Output : GigabitEthernet1
Lapsed time : 780 ns
Packet Copy In
003eb17f 4500002a 0eb70000 7f11ed0a 10000001 30000001 a2c42710 00160000
801296c3 9baf96f9 9b56c437 0aca
Unable to decode layer 2 trying to skip to layer 3
MPLS
Label Stack Entry[1]
TTL : 127
Label : 1003
EXP : 0
StackEnd : YES
SDWAN : YES
SDWAN Label : 1003
SDWAN Proto : IPV4
IPv4
Version : 4
Header Length : 5
ToS : 0x00
Total Length : 42
Identifier : 0x0eb7
IP Flags : 0x0
Frag Offset : 0
TTL : 127
Protocol : 17 (UDP)
Header Checksum : 0xed0a
Source Address : 10.0.0.1
Destination Address : 10.0.0.1
UDP
Source Port : 41668
Destination Port : 10000
Length : 22
Checksum : 0x0000
Decode halted - unsupported udp port number
Packet Copy Out
52540095 dbed5254 007ffb83 08004500 0046ab1a 4000ff2f 9d4d0a01 0f0f0a01
10100000 8847003e b17f4500 002a0eb7 00007f11 ed0a1000 00013000 0001a2c4
27100016 00008012 96c39baf 96f99b56 c4370aca
ARPA
Destination MAC : 5254.0095.dbed
Source MAC : 5254.007f.fb83
Type : 0x0800 (IPV4)
IPv4
Version : 4
Header Length : 5
ToS : 0x00
Total Length : 70
Identifier : 0xab1a
IP Flags : 0x2 (Don't fragment)
Frag Offset : 0
TTL : 255
Protocol : 47 (GRE)
Header Checksum : 0x9d4d
Source Address : 10.0.0.1
Destination Address : 10.0.0.1
GRE ver 0
Optional Fields : None
Strict Source Route : NO
Recursion Control : 0
Flags : 0x00
Protocol : 0x8847 (MPLS)
MPLS
Label Stack Entry[1]
TTL : 127
Label : 1003
EXP : 0
StackEnd : YES
SDWAN : YES
SDWAN Label : 1003
SDWAN Proto : IPV4
IPv4
Version : 4
Header Length : 5
ToS : 0x00
Total Length : 42
Identifier : 0x0eb7
IP Flags : 0x0
Frag Offset : 0
TTL : 127
Protocol : 17 (UDP)
Header Checksum : 0xed0a
Source Address : 10.255.255.255
Destination Address : 10.255.255.254
UDP
Source Port : 41668
Destination Port : 10000
Length : 22
Checksum : 0x0000
Decode halted - unsupported udp port number
この例では、「Source Address」と「Destination Address」はデバッグ条件が成功したことを示しています。「MPLS」セクションには、指定された SD-WAN ラベルが表示されます。