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C1841, исчезают connected-маршруты Мистика средь бела дня

Итак, немного юмора:

 

access-r1#sh run int fa0/1.510
Building configuration...

Current configuration : 104 bytes
!
interface FastEthernet0/1.510
encapsulation dot1Q 510
ip address x.y.162.1 255.255.255.252
end

access-r1#sh ip route connected
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
      E1 - OSPF external type 1, E2 - OSPF external type 2
      i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
      ia - IS-IS inter area, * - candidate default, U - per-user static route
      o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
      + - replicated route, % - next hop override

Gateway of last resort is x.y.160.117 to network 0.0.0.0

     x.0.0.0/8 is variably subnetted, 4 subnets, 3 masks
C        x.y.160.116/30 is directly connected, FastEthernet0/0
L        x.y.160.118/32 is directly connected, FastEthernet0/0
C        x.y.161.0/25 is directly connected, Loopback0
L        x.y.161.1/32 is directly connected, Loopback0
access-r1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
access-r1(config)#int fa0/1
access-r1(config-if)#shutdown
access-r1(config-if)#no shutdown
access-r1(config-if)#end
access-r1#sh ip route connected
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
      E1 - OSPF external type 1, E2 - OSPF external type 2
      i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
      ia - IS-IS inter area, * - candidate default, U - per-user static route
      o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
      + - replicated route, % - next hop override

Gateway of last resort is x.y.160.117 to network 0.0.0.0

     x.0.0.0/8 is variably subnetted, 7 subnets, 4 masks
C        x.y.160.116/30 is directly connected, FastEthernet0/0
L        x.y.160.118/32 is directly connected, FastEthernet0/0
C        x.y.161.0/25 is directly connected, Loopback0
L        x.y.161.1/32 is directly connected, Loopback0
C        x.y.162.0/30 is directly connected, FastEthernet0/1.510
L        x.y.162.1/32 is directly connected, FastEthernet0/1.510
access-r1#
access-r1#
access-r1#sh ip route connected
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
      E1 - OSPF external type 1, E2 - OSPF external type 2
      i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
      ia - IS-IS inter area, * - candidate default, U - per-user static route
      o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
      + - replicated route, % - next hop override

Gateway of last resort is x.y.160.117 to network 0.0.0.0

     x.0.0.0/8 is variably subnetted, 4 subnets, 3 masks
C        x.y.160.116/30 is directly connected, FastEthernet0/0
L        x.y.160.118/32 is directly connected, FastEthernet0/0
C        x.y.161.0/25 is directly connected, Loopback0
L        x.y.161.1/32 is directly connected, Loopback0

 

А теперь вопрос - что с ней? :) Между двумя sh ip route connected - пара секунд.

 

show version:

Cisco IOS Software, 1841 Software (C1841-ADVIPSERVICESK9-M), Version 15.1(2)T1, RELEASE SOFTWARE (fc1)

Edited by GFORGX

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Сам дурак :) Оказывается, connected-ы даже на VLAN-ах не появляются, если линка нет... :)

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