Cisco CRS-1 - Carrier Routing System Router Troubleshooting Manual page 112

Troubleshooting the Interface Manager
The protocol and capsulation numbers are small numbers and are displayed in hexadecimal or decimal.
They represent a unique identifier for a specific protocol such as IPv4, IPv6, or MPLS.
The show im rules command is used to set interfaces, protocols, and capsulations that are installed on
the router.
The following sample output from the show im rules command with the interface-types keyword shows
the types of interfaces:
RP/0/RP0/CPU0:router# show im rules interface-types
IM rules interface-type data
============================
tag:
id:
source:
description:
allowed-base-caps:
default-base-caps:
dynamic-ifname:
owner-string:
default-mtu:
subint-range:
invisibility:
ignore:
The following sample output from the show im rules command with the capsulations keyword shows
the rule of each type:
RP/0/RP0/CPU0:router# show im rules capsulations
IM rules caps data
==================
tag:
id:
source:
description:
dll:
ordering:
switching:
ignore:
The following sample output from the show im rules command with the protocols keyword shows the
rules for the protocols:
RP/0/RP0/CPU0:router# show im rules protocols
IM rules proto data
===================
tag:
id:
source:
description:
dll:
chain:
If the rules for a specific capsulation, protocol, or interface are missing from the IM on a given node,
you cannot create a control node for the type. If the rules are on the router, a process restart of ifmgr can
resynchronize the rules.
Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
3-102
IFT_LOOPBACK
16
/pkg/rules/loopback.intf
Loopback interface(s)
loopback
loopback
Loopback
loopback
1514
0 - 65535
0x2
mtu delete
ipv6_preroute
128
/pkg/rules/ipv6.caps
IPv6 preroute capsulation nodes
libipv6_netio.dll
0x6fffffff
decaps encaps
state mtu
fint_n2n
6
/pkg/rules/fint_n2n.caps
Forwarder netio 2 netio packet forwarding protocol
libfint_n2n.dll
use-base-caps
Chapter 3 Troubleshooting Forwarding
OL-21483-02