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EIGRP Route Tagging "Internal Routes"

kfarrington
Level 3
Level 3

Hello all,

Is there a way of tagging an EIGRP Internal route.

As you see from the topology table, there is no extral data fields in the routing entry for an internal so maybe is a NO NO.

Is there any other way of marking an EIGRP Internal route with any sort of tag?

Internal route

--------------

router1>sh ip eigrp topo 145.221.114.0 255.255.255.0

IP-EIGRP (AS 100): Topology entry for 145.221.114.0/24

State is Passive, Query origin flag is 1, 2 Successor(s), FD is 28416

Routing Descriptor Blocks:

145.221.101.229 (FastEthernet0/0), from 145.221.101.229, Send flag is 0x0

Composite metric is (28416/2816), Route is Internal

Vector metric:

Minimum bandwidth is 100000 Kbit

Total delay is 110 microseconds

Reliability is 255/255

Load is 1/255

Minimum MTU is 1500

Hop count is 1

145.221.101.233 (FastEthernet0/1), from 145.221.101.233, Send flag is 0x0

Composite metric is (28416/2816), Route is Internal

Vector metric:

Minimum bandwidth is 100000 Kbit

Total delay is 110 microseconds

Reliability is 255/255

Load is 1/255

Minimum MTU is 1500

Hop count is 1

router1>

External route

--------------

router1> sh ip eigrp top 11.111.3.0 255.255.255.252

IP-EIGRP topology entry for 11.111.3.0/30

State is Passive, Query origin flag is 1, 2 Successor(s), FD is 307456

Routing Descriptor Blocks:

10.10.11.25 (Ethernet0/1), from 10.10.11.25, Send flag is 0x0

Composite metric is (307456/281856), Route is External

Vector metric:

Minimum bandwidth is 10000 Kbit

Total delay is 2010 microseconds

Reliability is 255/255

Load is 1/255

Minimum MTU is 1500

Hop count is 2

External data:

Originating router is 10.10.55.94

AS number of route is 65000

External protocol is BGP, external metric is 0

Administrator tag is 1141 (0x00000E9D)

router1>

Many thx,

Ken

3 Replies 3

vkapoor5
Level 5
Level 5

go through the following link to get information about route tagging in EIGRP.

http://www.cisco.com/en/US/tech/tk365/tk207/technologies_tech_note09186a0080093f07.shtml

Harold Ritter
Level 12
Level 12

It is not possible to tag an internal route. What is it that you are trying to achieve?

Thanks,

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

I have one enormous eigrp AS, which is migrating to a BGP core. In this AS, I have 3 countries, Bangkok, Korea, and India, and I want to tag all their internal routes with a tag of 120, so that I can control routing into the BGP core, but as the routes are all internal, there is no way of marking these routes - or is there?

Many thx,

Ken

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