トンネル モードの GRE カプセル化が有効になっていることを確認します。
Router# show interfaces tunnel-ip 100
Sun Jul 10 15:49:04.812 VN_TIME
tunnel-ip100 is up, line protocol is up
Interface state transitions: 2
Hardware is Tunnel
Internet address is Unknown
MTU 1500 bytes, BW 100 Kbit (Max: 100 Kbit)
reliability 255/255, txload 0/255, rxload 0/255
Encapsulation TUNNEL_GRE, loopback not set,
Tunnel TOS 0
Tunnel mode GRE IPV4,
Keepalive is enabled, interval 10 seconds, maximum retry 3
Tunnel source 172.16.16.1 (GigabitEthernet0_0_0_0), destination 172.16.16.2
Tunnel TTL 100
Last input 2d03h, output 2d04h
Last clearing of "show interface" counters never
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
689 packets input, 26212 bytes, 0 total input drops
0 drops for unrecognized upper-level protocol
Received 0 broadcast packets, 0 multicast packets
3 packets output, 192 bytes, 0 total output drops
Output 0 broadcast packets, 0 multicast packets
トンネル モードの GRE カプセル化とカプセル化解除が有効になっていることを確認します。
Router# sh interfaces tunnel-ip 5 accounting
Wed May 16 01:50:57.258 UTC
tunnel-ip5
Protocol Pkts In Chars In Pkts Out Chars Out
IPV4_UNICAST 489 55746 0 0
IPV6_UNICAST 489 55746 0 0
MPLS 587 69266 0 0
パケットの再循環が Recycle VoQ: 48 で実行されないことを確認します。 Router# show tunnel ip ea summary location 0/RP0/CPU0
Number of tunnel updates to retry: 0
Number of tunnel updates retried: 0
Number of tunnel retries failed: 0
Platform:
Recycle VoQ: 48
ReceivedBytes ReceivedPackets ReceivedKbps
DroppedBytes DroppedPackets DroppedKbps
NPU 0:0 0 0 0
0 0 0
1 0 0 0
0 0 0
2 0 0 0
0 0 0
3 0 0 0
0 0 0
...
NPU 1:0 0 0 0
0 0 0
1 0 0 0
0 0 0
2 0 0 0
0 0 0
3 0 0 0
0 0 0
NPU 2:0 0 0 0
0 0 0
1 0 0 0
0 0 0
2 0 0 0
0 0 0
3 0 0 0
0 0 0
トンネル モードの GRE カプセル化が有効になっていることを確認します。 Router# show interfaces tunnel-ip * brief
Thu Sep 7 00:04:39.125 PDT
Intf Intf LineP Encap MTU BW
Name State State Type (byte) (Kbps)
--------------------------------------------------------------------------------
ti30001 down down TUNNEL_IP 1500 100
ti30002 up up TUNNEL_IP 1500 100
RIB のトンネル エンドポイント ルートを確認します。 Router# show route 10.1.1.1
Routing entry for 10.0.0.0/8
Known via "static", distance 1, metric 0 (connected)
Installed Oct 2 15:50:56.755 for 00:39:24
Routing Descriptor Blocks
directly connected, via tunnel-ip109
Route metric is 0, Wt is 1
No advertising protos.
トンネル モードの GRE カプセル化が有効になっていることを確認します。 Router# show tunnel ip ea database tunnel-ip 109 location 0/RP0/CPU0
----- node0_0_CPU0 -----
tunnel ifhandle 0x80022cc
tunnel source 161.115.1.2
tunnel destination 162.1.1.1/32
tunnel transport vrf table id 0xe0000000
tunnel mode gre ipv4, encap
tunnel bandwidth 100 kbps
tunnel platform id 0x0
tunnel flags 0x40003400
IntfStateUp
BcStateUp
Ipv4Caps
Encap
tunnel mtu 1500
tunnel tos 0
tunnel ttl 255
tunnel adjacency flags 0x1
tunnel o/p interface handle 0x0
tunnel key 0x0, entropy length 0 (mask 0xffffffff)
tunnel QT next 0x0
tunnel platform data (nil)
Platform:
Handle: (nil)
Decap ID: 0
Decap RIF: 0
Decap Recycle Encap ID: 0x00000000
Encap RIF: 0
Encap Recycle Encap ID: 0x00000000
Encap IPv4 Encap ID: 0x4001381b
Encap IPv6 Encap ID: 0x00000000
Encap MPLS Encap ID: 0x00000000
DecFEC DecRcyLIF DecStatsId EncRcyLIF
QoS テーブルが正しく更新されていることを確認します。 Router# show controllers npu stats voq base 48 instance all location
0/RP0/CPU0
Asic Instance = 0
VOQ Base = 48
ReceivedPkts ReceivedBytes DroppedPkts DroppedBytes
-------------------------------------------------------------------
COS0 = 0 0 0 0
COS1 = 0 0 0 0
COS2 = 0 0 0 0
COS3 = 0 0 0 0
Asic Instance = 1
VOQ Base = 48
ReceivedPkts ReceivedBytes DroppedPkts DroppedBytes
-------------------------------------------------------------------
COS0 = 0 0 0 0
COS1 = 0 0 0 0
COS2 = 0 0 0 0
COS3 = 0 0 0 0
Asic Instance = 2
VOQ Base = 48
ReceivedPkts ReceivedBytes DroppedPkts DroppedBytes
-------------------------------------------------------------------
COS0 = 0 0 0 0
COS1 = 0 0 0 0
COS2 = 0 0 0 0
COS3 = 0 0 0 0