Users Guide

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 that directly connect to OSPF areas.
Syntax
show ip ospf [process-id] [vrf vrf-name] topology
Parameters
• process-id — (Optional) Displays OSPF process information. If you do not enter a process ID, this applies
only to the rst OSPF process.
• vrf vrf-name — (Optional) Displays the routers in the directly connected OSPF areas in the congured
VRF.
Default Not congured
Command Mode EXEC
Usage Information The “E” ag output indicates the router listed is an ASBR. The “B” ag indicates that the router listed is an ABR. If
the Flag eld 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
Congures a summary address for an ASBR to advertise one external route as an aggregate for all redistributed routes covered by a
specied address range.
Syntax
summary-address ip-address/mask [not-advertise | tag tag-value]
Parameters
• ip-address/mask—Enter the IP address to summarize along with the mask.
• not-advertise—(Optional) Suppresses IP addresses that do not match the network prex/mask.
• tag-value—(Optional) Enter a value to match the routes redistributed through a route map, from 1 to
65535.
Default) Not congured
Command Mode ROUTER-OSPF
Usage Information The no version of this command disables the summary address.
636 Layer 3