3Com S7906E Configuration Manual page 764

[SwitchC-Vlan-interface300] quit
[SwitchD] interface vlan-interface 300
[SwitchD-Vlan-interface300] isis authentication-mode md5 hSec
[SwitchD-Vlan-interface300] quit
4) Configure area authentication. Specify the MD5 authentication mode and password 10Sec on
Switch A, Switch B and Switch C.
[SwitchA] isis 1
[SwitchA-isis-1] area-authentication-mode md5 10Sec
[SwitchA-isis-1] quit
[SwitchB] isis 1
[SwitchB-isis-1] area-authentication-mode md5 10Sec
[SwitchB-isis-1] quit
[SwitchC] isis 1
[SwitchC-isis-1] area-authentication-mode md5 10Sec
[SwitchC-isis-1] quit
5) Configure routing domain authentication. Specify the MD5 authentication mode and password
1020Sec on Switch C and Switch D.
[SwitchC] isis 1
[SwitchC-isis-1] domain-authentication-mode md5 1020Sec
[SwitchC-isis-1] quit
[SwitchD] isis 1
[SwitchD-isis-1] domain-authentication-mode md5 1020Sec
Configuring BFD for IS-IS
Network requirements
As shown in
is enabled on the switch interfaces. IS-IS is enabled on the switches that are reachable to each
other at the network layer.
When the link between Switch B and the Layer-2 switch fails, BFD can quickly detect the failure
and notify IS-IS of the failure.
Figure 1-20 Network diagram for BFD configuration on an IS-IS link
Configuration procedure
1) Configure VLAN interfaces.
# Configure Switch A.
Figure 1-20, Switch A and Switch B are interconnected through a Layer-2 switch. BFD
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