R2511-HP MSR Router Series Layer 3 - IP Routing Configuration Guide(V5)

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Local Discr: 1441 Remote Discr: 1450
Source IP: FE80::20F:FF:FE00:1202 (link-local address of Ethernet1/1 on Router
A)
Destination IP: FE80::20F:FF:FE00:1200 (link-local address of Ethernet1/1 on Router
B)
Session State: Up Interface: Eth1/1
Hold Time: /
# Display route 2001:4::0/64 on Router A, and you can see that Router A and Router B
communicate through the Layer-2 switch.
<RouterA> display ipv6 routing-table 2001:4::0 64 verbose
Routing Table :
Summary Count : 2
Destination : 2001:4::0 PrefixLength : 64
NextHop : 2001::2 Preference : 15
IpPrecedence : QosLcId :
RelayNextHop : :: Tag : 0H
Neighbor : :: ProcessID : 0
Interface : Ethernet1/1 Protocol : ISISv6
State : Active Adv Cost : 20
Tunnel ID : 0x0 Label : NULL
Age : 4538sec
Destination : 2001:4::0 PrefixLength : 64
NextHop : 2001:2::2 Preference : 15
IpPrecedence : QosLcId :
RelayNextHop : :: Tag : 0H
Neighbor : :: ProcessID : 0
Interface : Ethernet1/2 Protocol : ISISv6
State : Invalid Adv Cost : 30
Tunnel ID : 0x0 Label : NULL
Age : 4515sec
# Enable BFD debugging on Router A.
<RouterA> debugging bfd scm
<RouterA> debugging bfd event
<RouterA> debugging isis event bfd
<RouterA> terminal debugging
# When the link between Router B and the Layer-2 switch fails, BFD can quickly detect the failure.
#Aug 8 14:54:05:362 2009 RouterA IFNET/4/INTERFACE UPDOWN:
Trap 1.3.6.1.6.3.1.1.5.3: Interface 983041 is Down, ifAdminStatus is 1, ifOperStatus
is 2
#Aug 8 14:54:05:363 2009 RouterA
ISIS/4/ADJ_CHANGE:TrapID(1.3.6.1.2.1.138.0.17<isisAdjacencyChange>), ISIS Level-2
Adjencency IN Circuit-983041 State Change.
#Aug 8 14:54:05:364 2008 RouterA
ISIS/4/ADJ_CHANGE:TrapID(1.3.6.1.2.1.138.0.17<isisAdjacencyChange>), ISIS Level-1
Adjencency IN Circuit-983041 State Change.