HP 10500 SERIES Configuration Manual page 159

# Execute the display mpls lsp verbose command on Switch B.
[SwitchB] display mpls lsp verbose
-------------------------------------------------------------------
-------------------------------------------------------------------
No
IngressLsrID
LocalLspID
Tunnel-Interface
Fec
Nexthop
In-Label
Out-Label
In-Interface
Out-Interface
LspIndex
Tunnel ID
LsrType
Bypass In Use
BypassTunnel
Mpls-Mtu
No
IngressLsrID
LocalLspID
Tunnel-Interface
Fec
Nexthop
In-Label
Out-Label
In-Interface
Out-Interface
LspIndex
Tunnel ID
LsrType
Bypass In Use
BypassTunnel
Mpls-Mtu
The output shows that the bypass tunnel is bound with the protected interface VLAN-interface 2
and is currently unused.
Verify the FRR function:
6.
# Shut down the protected outgoing interface on PLR.
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] shutdown
%Sep 7 08:53:34 2004 SwitchB IFNET/5/UPDOWN:Line protocol on the interface
Vlan-interface2 turns into DOWN state
# Execute the display interface tunnel 4 command on Switch A to identify the state of the primary
LSP. You can see that the tunnel interface is still up.
LSP Information: RSVP LSP
: 1
: 1.1.1.1
: 1
: Tunnel4
: 4.4.4.4/32
: 3.1.1.2
: 1024
: 1024
: Vlan-interface1
: Vlan-interface2
: 4097
: 0x22001
: Transit
: Not Used
: Tunnel Index[Tunnel5], InnerLabel[1024]
: 1500
: 2
: 2.2.2.2
: 1
: Tunnel5
: 3.3.3.3/32
: 3.2.1.2
: NULL
: 1024
: ----------
: Vlan-interface4
: 4098
: 0x22002
: Ingress
: Not Exists
: Tunnel Index[---]
: 1500
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