Reference Guide

tx-failed 0 tx-failed-bytes 0
tx-hello 0 tx-hello-bytes 0
tx-db-des 0 tx-db-des-bytes 0
tx-ls-req 0 tx-ls-req-bytes 0
tx-ls-upd 0 tx-ls-upd-bytes 0
tx-ls-ack 0 tx-ls-ack-bytes 0
Error packets (Receive statistics)
bad-src 0 dupe-id 0 hello-err
0
mtu-mismatch 0 nbr-ignored 0 wrong-proto
0
resource-err 0 bad-lsa-len 0 lsa-bad-type
0
lsa-bad-len 0 lsa-bad-cksum 0 auth-fail
0
netmask-mismatch 0 hello-tmr-mismatch 0 dead-ivl-mismatch
0
options-mismatch 0 nbr-admin-down 0 own-hello-drop
0
self-orig 0 wrong-length 0 checksum-error
0
version-mismatch 0 area-mismatch 0
Supported
Releases
10.2.0E or later
show ip ospf topology
Displays routers which are directly connected to OSPF areas.
Syntax
show ip ospf [process-id] topology
Parameters process-id — (Optional) Displays OSPF process information. If you do not enter a process ID, this
applies only to the first OSPF process.
Default Not configured
Command Mode EXEC
Usage
Information
The “E” flag output indicates the router listed is an ASBR. The “B” flag indicates that the router listed is
an area border router (ABR). If the Flag field shows both E and B, it indicates that the listed router is both
an ASBR and an ABR.
Example
OS10# show ip ospf 10 topology
Router ID Flags Cost Nexthop Interface Area
111.111.111.1 -/B/-/ 1 111.1.1.2 Vl 3051 0
111.111.111.2 -/B/-/ 1 111.2.1.2 Vl 3053 0
112.2.1.1 E/-/-/ 1 110.1.1.2 Vl 3050 0
112.112.112.1 -/B/-/ 2 110.1.1.2 Vl 3050 0
112.112.112.2 -/B/-/ 2 110.1.1.2 Vl 3050 0
Supported
Releases
10.2.0E or later
summary-address
Configures a summary address for an ASBR to advertise one external route as an aggregate, for all redistributed routes covered
by specified address range.
Syntax
summary-address ip-address/mask [not-advertise | tag tag-value]
Parameters
● ip-address/mask—Enter the IP address to be summarized along with the mask.
● not-advertise—(Optional) Suppresses IP addresses that do not match the network prefix/mask.
● tag-value—(Optional) Enter a value to match the routes redistributed through a route map (1 to
65535).
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