Cisco 10720 Configuration Guide - Page 110
Verify the PASS-THRU Mode, Using the show srp topology Command, Using the show srp ips Command
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Basic Troubleshooting SRP for the Uplink Card Chapter 4 Troubleshooting Verify the PASS-THRU Mode Use the show srp ips EXEC command to verify that the SRP node is in PASS-THRU mode, which occurs when the interface is administratively down. Router# show srp ips SRP1/1 is administratively down Router# Using the show srp topology Command Use the show srp topology EXEC command to verify that the topology packets are being sent and received. router# show srp topology Topology Map for Interface SRP1/1 Topology pkt. sent every 5 sec. (next pkt. after 0 sec.) Last received topology pkt. 00:00:04 Nodes on the ring: 3 Hops (outer ring) MAC IP Address Wrapped Name 0 0001.64ff.1580 48.1.1.3 No M0426C 1 0001.6347.9700 48.1.1.2 No M0426B 2 00b0.c280.cf00 48.1.1.1 No M0426A By default, the maximum acceptable time for the last topology packet to be received is 5 seconds. If the last received packet value is higher than 5 seconds, topology packets are being lost on the ring. Using the show srp ips Command The show srp ips command displays the status of the IPS protocol. It contains information such as the direct neighbors' address, the wrap state, the failures state and the latest transmitted and received IPS packets of the SRP node. It also indicates that the interface is administratively up and not in PASS-THRU mode. (See the "PASS-THRU Mode" section on page 4-9.) router# show srp ips IPS Information for Interface SRP1/1 MAC Addresses Side A (Outer ring RX) neighbor 00b0.c280.cf00 Side B (Inner ring RX) neighbor 0001.6347.9700 Node MAC address 0001.64ff.1580 IPS State Side A not wrapped Side B not wrapped Side A (Inner ring TX) IPS pkt. sent every 1 sec. (next pkt. after 1 sec.) Side B (Outer ring TX) IPS pkt. sent every 1 sec. (next pkt. after 1 sec.) inter card bus enabled IPS WTR period is 60 sec. (timer is inactive) Node IPS State: idle IPS Self Detected Requests IPS Remote Requests Side A IDLE Side A IDLE Side B IDLE Side B IDLE IPS messages received Side A (Outer ring RX) {00b0.c280.cf00,IDLE,SHORT}, TTL 128 Side B (Inner ring RX) {0001.6347.9700,IDLE,SHORT}, TTL 128 IPS messages transmitted Side A (Outer ring RX) {0001.64ff.1580,IDLE,SHORT}, TTL 128 Side B (Inner ring RX) {0001.64ff.1580,IDLE,SHORT}, TTL 128 Any status other than IDLE, SHORT indicates that errors are present. 4-10 Cisco 10720 Internet Router Installation and Configuration Guide 78-13062-10