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Monitoring IP and IPv6 Tunnel Routing Tables
Purpose
Display the current state of the IPv4 or IPv6 tunnel routing table.
Action
To display information about all IP tunnel routes:
host1:vr2# show ip tunnel-route all
Protocol/Route type codes:
I1- ISIS level 1, I2- ISIS level2,
I- route type intra, IA- route type inter, E- route type external,
i- metric type internal, e- metric type external,
O- OSPF, E1- external type 1, E2- external type2,
N1- NSSA external type1, N2- NSSA external type2
L- MPLS label, V- VRF, *- via indirect next-hop
Prefix/Length Type Next Hop Dst/Met Interface
------------------ --------- --------------- ---------- ----------------------------------------
200.200.200.1/32 Ldp 111.111.1.1[L18 110/2 ATM5/1.1
]
Rsvp 200.200.200.1[L 110/2 ATM5/1.1
25]
To display information about all IPv6 tunnel routes:
host1:pe1:pe11# show ipv6 tunnel-route all
Protocol/Route type codes:
O- OSPF, E1- external type 1, E2- external type2,
N1- SSA external type1, N2- NSSA external type2
L- MPLS label, V- VRF, *- via indirect next-hop
Prefix/Length Type Dst/Met Interface
-------------------------------- --------- ---------- ----------------------------------------
::21.21.21.0/126 BgpTunnel 200/0 [L20,L26] ATM5/0.10
BgpTunnel 200/0 [L20,L34] ATM5/0.10
2::2/128 BgpTunnel 200/0 [L20,L26] ATM5/0.10
BgpTunnel 200/0 [L20,L34] ATM5/0.10
To display detailed information about all IP tunnel routes beginning with address 200.200.200.1/32:
host1:vr2# show ip tunnel-route 200.200.200.1/32 detail Protocol/Route type codes: I1- ISIS level 1, I2- ISIS level2, I- route type intra, IA- route type inter, E- route type external, i- metric type internal, e- metric type external, O- OSPF, E1- external type 1, E2- external type2, N1- NSSA external type1, N2- NSSA external type2 L- MPLS label, V- VRF, *- via indirect next-hop 200.200.200.1/32 Type: Ldp Distance: 110 Metric: 2 Tag: 0 Class: 0 MPLS next-hop: 3, label 18 on ATM5/1.1 (ip19000003.mpls.ip), nbr 111.111.1.1
To display detailed information about all IPv6 tunnel routes beginning with address ::21.21.21.0/126:
host1:pe1:pe11# show ipv6 tunnel-route ::21.21.21.0/126 detail all Protocol/Route type codes: O- OSPF, E1- external type 1, E2- external type2, N1- SSA external type1, N2- NSSA external type2 L- MPLS label, V- VRF, *- via indirect next-hop ::21.21.21.0/126 Type: BgpTunnel Distance: 200 Metric: 0 Class: 0 MPLS next-hop: 18, label 20, VPN traffic, resolved by MPLS next-hop 13 MPLS next-hop: 13, resolved by MPLS next-hop 34, peer ::ffff:2.2.2.2 MPLS next-hop: 34, ECMP next-hop, leg count 2 MPLS next-hop: 17, resolved by MPLS next-hop 16, peer 2.2.2.2 MPLS next-hop: 16, primary(in use): label 26 on ATM5/0.10, secondary: resolved by MPLS next-hop 0
Meaning
Table 62 lists the show ip tunnel-route command and show ipv6 tunnel route command output fields.
Table 62: show ip tunnel route and show ipv6 tunnel-route Output Fields
Field Name | Field Description |
|---|---|
Prefix | IPv4 or IPv6 address prefix of network destination |
Length | Network mask length for prefix |
Type | Type of route; protocol |
Next Hop | IP address of the next hop to the route, whether it is a local interface or another router; not displayed for IPv6 tunnel routing table |
Dst or Distance | Administrative distance for the route |
Met or Metric | Number of hops; metric |
Interface | Interface type and interface specifier |
Tag | Numeric tag that identifies route |
Class | Attribute of a route applied only as a result of set route-class clause in a table map |
