Cisco Cisco 1700 2600 3600 3700 Series VPN Module White Paper
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Step 2. Configure the VSL port channel and member ports.
Choose unique port-channel IDs for each chassis to form the VSL and configure them with the corresponding
switch ID, using the following commands:
VSS-sw1#conf t
Enter configuration commands, one per
line. End with CNTL/Z.
VSS-sw1(config)#interface port-channel
1
VSS-sw1(config-if)#switch virtual link
1
line. End with CNTL/Z.
VSS-sw1(config)#interface port-channel
1
VSS-sw1(config-if)#switch virtual link
1
VSS-sw1(config-if)#no shut
VSS-sw1(config-if)#
VSS-sw2#conf t
Enter configuration commands, one per
line. End with CNTL/Z.
VSS-sw2(config)#interface port-channel
2
VSS-sw2(config-if)#switch virtual link
2
line. End with CNTL/Z.
VSS-sw2(config)#interface port-channel
2
VSS-sw2(config-if)#switch virtual link
2
VSS-sw2(config-if)#no shut
VSS-sw2(config-if)#
Now, add the ports on each switch to the port channel that corresponds to the respective side of the VSL, using the
following commands:
VSS-sw1(config)#interface range
tenGigabitEthernet 5/4 - 5
VSS-sw1(config-if-range)#channel-group
1 mode on
tenGigabitEthernet 5/4 - 5
VSS-sw1(config-if-range)#channel-group
1 mode on
VSS-sw1(config-if-range)#no shut
VSS-sw1(config-if-range)#^Z
VSS-sw1#
VSS-sw2(config)#interface range
tenGigabitEthernet 5/4 - 5
VSS-sw2(config-if-range)#channel-group
2 mode on
tenGigabitEthernet 5/4 - 5
VSS-sw2(config-if-range)#channel-group
2 mode on
VSS-sw2(config-if-range)#no shut
VSS-sw2(config-if-range)#^Z
VSS-sw2
Note that only the local port channels and their associated members need to be configured on each switch.
Because the switches are still in standalone mode, you do not need to configure the peer-switch ports.
Step 3. Convert to virtual switch mode.
Convert both switches to virtual switch mode, using the following exec command:
VSS-sw1#switch convert mode virtual
This command will convert all
interface names to naming convention
“interface-type switch-
number/slot/port”, save the running
config to startup-config and reload
the switch.
interface names to naming convention
“interface-type switch-
number/slot/port”, save the running
config to startup-config and reload
the switch.
Do you want to proceed? [yes/no]: yes
Converting interface names
Building configuration...
[OK]
Saving converted configurations to
bootflash …
Saving converted configurations to
bootflash …
[OK]
VSS-sw2#switch convert mode virtual
This command will convert all
interface names to naming convention
“interface-type switch-
number/slot/port”, save the running
config to startup-config and reload
the switch.
interface names to naming convention
“interface-type switch-
number/slot/port”, save the running
config to startup-config and reload
the switch.
Do you want to proceed? [yes/no]: yes
Converting interface names
Building configuration...
[OK]
Saving converted configurations to
bootflash…
Saving converted configurations to
bootflash…
[OK]