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Verifying the link backup function of multichassis
aggregations
# Shut down Ten-GigabitEthernet 1/3/0/8, the port connected to the egress router.
[DeviceA] interface ten-gigabitethernet 1/3/0/8
[DeviceA-Ten-GigabitEthernet1/3/0/8] shutdown
# Ping an IP address on the public network from a PC in Server Group 1.
C:\Users>ping 202.108.22.5 -t
Pinging 202.108.22.5 with 32 bytes of data:
Reply from 202.108.22.5: bytes=32 time=1ms TTL=122
Reply from 202.108.22.5: bytes=32 time=13ms TTL=122
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
Request timed out.
Request timed out.
Request timed out.
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
The output shows that the address can be pinged after transient traffic disruption.
# Bring up Ten-GigabitEthernet 1/3/0/8 and shut down Ten-GigabitEthernet 2/3/0/8.
[DeviceA-Ten-GigabitEthernet1/3/0/8] undo shutdown
[DeviceA-Ten-GigabitEthernet1/3/0/8] quit
[DeviceA] interface ten-gigabitethernet 2/3/0/8
[DeviceA-Ten-GigabitEthernet2/3/0/8] shutdown
# Ping the IP address on the public network from the PC.
C:\Users>ping 202.108.22.5 -t
Pinging 202.108.22.5 with 32 bytes of data:
Reply from 202.108.22.5: bytes=32 time=1ms TTL=122
Reply from 202.108.22.5: bytes=32 time=13ms TTL=122
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
Request timed out.
Request timed out.
Request timed out.
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
Reply from 202.108.22.5: bytes=32 time<1ms TTL=122
The output shows that the address can be pinged after transient traffic disruption.
Verifying the link backup function of IRF connections
# Verify that the IRF fabric is integrated and can forward traffic across member chassis after one IRF
connection cable is removed. (Details not shown.)