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EIGRP Filtering with Offset Lists

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REFERENCE

EIGRP

Enhanced Interior Gateway Routing Protocol

EIGRP Commands
offset-list (EIGRP)

MEMO

  • 増分したい値を指定する(増分後の合計値ではない)
  • 意外と変更後の反映は待つ感じがある
R1#sh ip ei topo 192.168.2.0/24 | inc omposit
      Composite metric is (30720/28160), route is Internal
R1#
R1#sh run | inc access
access-list 1 permit 192.168.2.0 0.0.0.255
R1#
R1#conf t
R1(config)#router ei 1
R1(config-router)#offset-list 1 in 9280
R1(config-router)#
*Jun 25 16:00:20.307: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 10.1.2.2 (FastEthernet0/0) is resync: route configuration changed
R1(config-router)#
R1(config-router)#do sh ip ei topo 192.168.2.0/24 | inc omposit
      Composite metric is (40000/37440), route is Internal
R1(config-router)#
R1(config-router)#
R1(config-router)#no offset-list 1 in 9280
R1(config-router)#
*Jun 25 16:00:58.151: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 10.1.2.2 (FastEthernet0/0) is resync: route configuration changed
R1(config-router)#
R1(config-router)#do sh ip ei topo 192.168.2.0/24 | inc omposit
      Composite metric is (30720/28160), route is Internal
R1(config-router)#offset-list 1 in 40000
R1(config-router)#
*Jun 25 16:01:38.131: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 10.1.2.2 (FastEthernet0/0) is resync: route configuration changed
R1(config-router)#
R1(config-router)#do sh ip ei topo 192.168.2.0/24 | inc omposit
      Composite metric is (70720/68160), route is Internal
R1(config-router)#

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