F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Network Management Configuration Guide-6PW100

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Source IP: FE80::20F:FF:FE00:1202(link-local address of GigabitEthernet 1/1 on
Firewall A)
Destination IP: FE80::20F:FF:FE00:1200(link-local address of GigabitEthernet 1/1 on
Firewall B)
Session State: Up Interface: GE1/1
Hold Time: /
# Display routes destined for 2001:4::0/64 on Firewall A.
<FirewallA> display ipv6 routing-table 2001:4::0 64 verbose
Routing Table :
Summary Count : 2
Destination : 2001:4:: PrefixLength : 64
NextHop : 2001::2 Preference : 10
IpPrecedence : QosLcId :
RelayNextHop : :: Tag : 0H
Neighbor : :: ProcessID : 0
Interface : GigabitEthernet1/1 Protocol : OSPFv3
State : Active Adv Cost : 1
Tunnel ID : 0x0 Label : NULL
Age : 4538sec
Destination : 2001:4:: PrefixLength : 64
NextHop : 2001:2::2 Preference : 10
IpPrecedence : QosLcId :
RelayNextHop : :: Tag : 0H
Neighbor : :: ProcessID : 0
Interface : GigabitEthernet1/2 Protocol : OSPFv3
State : Invalid Adv Cost : 2
Tunnel ID : 0x0 Label : NULL
Age : 4515sec
The output shows that Firewall A communicates with Firewall B through the Layer 2 switch.
# Enable BFD debugging on Firewall A.
<FirewallA> debugging bfd scm
<FirewallA> debugging bfd event
<FirewallA> debugging ospfv3 event bfd
<FirewallA> terminal debugging
# After the link between Firewall B and the Layer 2 switch fails, Firewall A quickly detects the change on
Firewall B.
%Nov 5 11:37:43:062 2009 FirewallA BFD/5/BFD_CHANGE_FSM: Sess[FE80::20F:FF:FE00:1202/
FE80::20F:FF:FE00:1200,15/15,GE1/1,Ctrl], Sta: UP->DOWN, Diag: 1
%Nov 5 11:37:43:062 2009 FirewallA OSPFV3/5/OSPFv3_NBR_CHG: OSPFv3 1 Neighbor
2.2.2.2(GigabitEthernet1/1) from Full to Down.
*Nov 5 11:37:43:062 2009 FirewallA RM/6/RMDEBUG: OSPFv3 OSPFv3-BFD: Message Type rcv BFD
down, Connect Type direct-connect, Src IP Address FE80::20F:FF:FE00:1202, Dst IP Address
FE80::20F:FF:FE00:1200.
*Nov 5 11:37:43:062 2009 FirewallA RM/6/RMDEBUG: OSPFv3 OSPFv3-BFD: Message Type delete
session, Connect Type direct-connect, Src IP Address FE80::20F:FF:FE00:1202, Dst IP
Address FE80::20F:FF:FE00:1200.