Cisco CRS-1 - Carrier Routing System Router

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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
OL-21483-02
Chapter 5 Troubleshooting Interfaces
Verifying and Troubleshooting Configured Interfaces
Protocol chains:
---------------
<Protocol number> (name) Stats
Type Chain_node <caps num> <function, context> <drop pkts, drop bytes>
<9> (chdlc) Stats IN: 48466 pkts, 3559516 bytes; OUT: 41378 pkts, 910312 bytes
Encap:
l2_adj_rewrite <86> <0xfceada88, 0x482c390c> < 0, 0>
queue_fifo <56> <0xfcedea68, 0x482ddc30> < 0, 0>
txm_nopull <60> <0xfce8fa5c, 0x482ddda4> < 0, 0>
Decap:
queue_fifo <56> <0xfcedea4c, 0x482ddc30> < 0, 0>
chdlc <13> <0xfd6a252c, 0x00000000> < 0, 0>
Fixup:
l2_adj_rewrite <86> <0xfcead45c, 0x00000000> < 0, 0>
queue_fifo <56> <0xfcedea68, 0x482ddc30> < 0, 0>
txm_nopull <60> <0xfce8fa5c, 0x482ddda4> < 0, 0>
<10> (clns) Stats IN: 0 pkts, 0 bytes; OUT: 0 pkts, 0 bytes
Encap:
clns <15> <0xfcfaa030, 0x00000000> < 0, 0>
hdlc <14> <0xfd6a0678, 0x00000000> < 0, 0>
l2_adj_rewrite <86> <0xfceada88, 0x48305a90> < 0, 0>
queue_fifo <56> <0xfcedea68, 0x482ddc30> < 0, 0>
txm_nopull <60> <0xfce8fa5c, 0x482ddda4> < 0, 0>
Decap:
queue_fifo <56> <0xfcedea4c, 0x482ddc30> < 0, 0>
clns <15> <0xfcfa9508, 0x00000000> < 0, 0>
Fixup:
l2_adj_rewrite <86> <0xfcead45c, 0x00000000> < 0, 0>
queue_fifo <56> <0xfcedea68, 0x482ddc30> < 0, 0>
txm_nopull <60> <0xfce8fa5c, 0x482ddda4> < 0, 0>
<12> (ipv4) Stats IN: 0 pkts, 0 bytes; OUT: 0 pkts, 0 bytes
Encap:
ipv4 <26> <0xfd0f341c, 0x482dd460> < 0, 0>
hdlc <14> <0xfd6a0678, 0x00000000> < 0, 0>
l2_adj_rewrite <86> <0xfceada88, 0x48349b54> < 0, 0>
queue_fifo <56> <0xfcedea68, 0x482ddc30> < 0, 0>
txm_nopull <60> <0xfce8fa5c, 0x482ddda4> < 0, 0>
Decap:
queue_fifo <56> <0xfcedea4c, 0x482ddc30> < 0, 0>
ipv4 <26> <0xfd0f3474, 0x00000000> < 0, 0>
Fixup:
l2_adj_rewrite <86> <0xfcead45c, 0x00000000> < 0, 0>
queue_fifo <56> <0xfcedea68, 0x482ddc30> < 0, 0>
txm_nopull <60> <0xfce8fa5c, 0x482ddda4> < 0, 0>
Protocol SAFI counts:
--------------------
Protocol SAFI Pkts In Bytes In Pkts Out Bytes Out
--------------- ---------- ---------- ---------- ---------- ----------
ipv4 Unicast 0 0 0 0
ipv4 Multicast 0 0 0 0
ipv4 Broadcast 0 0 0 0
ipv6 Unicast 0 0 0 0
ipv6 Multicast 0 0 0 0
The following example shows counters implemented for Multiprotocol Label Switching (MPLS)
packets. The following output under Protocol Chains in the show netio idb command shows the MPLS
packets incrementing:
mpls <25> <0xfcc7b2b8, 0x00000000> < 152, 17328>