257
BGP.: 3.0.1.1 Send NOTIFICATION
Err/SubErr: 6/0 (Cease/ErrSubCode Unspecified)
Error data NULL.
*Mar 12 19:02:59:243 2012 SwitchC BGP/7/DEBUG: -VDC=1;
BGP.: 3.0.1.1 State is changed from ESTABLISHED to IDLE.
The output shows that Switch C can quickly detect the link failure and notify BGP to change the
relevant IBGP session state.
# Display route 1.1.1.0/24 on Switch C.
<SwitchC> display ip routing-table 1.1.1.0 24 verbose
Summary Count : 1
Destination: 1.1.1.0/24
Protocol: BGP Process ID: 0
SubProtID: 0x1 Age: 00h03m08s
Cost: 100 Preference: 255
Tag: 0 State: Active Adv
OrigTblID: 0x1 OrigVrf: default-vrf
TableID: 0x2 OrigAs: 0
NBRID: 0x15000000 LastAs: 0
AttrID: 0x0 Neighbor: 2.0.1.1
Flags: 0x10060 OrigNextHop: 2.0.1.1
Label: NULL RealNextHop: 2.0.2.1
BkLabel: NULL BkNextHop: N/A
Tunnel ID: Invalid Interface: Vlan-interface201
BkTunnel ID: Invalid BkInterface: N/A
The output shows that Switch C communicates with network 1.1.1.0/24 through the path Switch
C<—>Switch D<—>Switch A.
IPv6 BGP configuration examples
IPv6 BGP basic configuration example
Network requirements
In Figure 67, run EBGP between Switch A and Switch B, and run IBGP between Switch B and Switch C
so that Switch C can access the network 50::/64 connected to Switch A.
Figure 67 Network diagram
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