From: Con Spathas (ccie19226@googlemail.com)
Date: Mon Nov 17 2008 - 15:31:06 ARST
That's normal with PPP.
If you configure the 'no peer neighbor-route' then the /32's will disappear.
Usually only necessary when using PPP on unnumbered interfaces.
Cheers.
On Mon, Nov 17, 2008 at 5:08 PM, omar parihuana <omar.parihuana@gmail.com>wrote:
> Hi GS,
>
> I have three routers Router A is HUB and Router B and Router C are Spokes.
> Between routers A-B and A-C are running multilink PPP. However I noticed
> the
> following that not appeared in normal HDLC connections:
>
> CRIAJE-C#sh ip int brief
> Interface IP-Address OK? Method Status
> Protocol
> FastEthernet0/0 192.168.246.50 YES NVRAM up
> up
> Serial0/0 unassigned YES NVRAM up
> up
> FastEthernet0/1 10.237.129.176 YES NVRAM administratively
> down
> down
> Serial0/1 unassigned YES manual up
> up
> Serial0/2 172.31.127.9 YES NVRAM administratively
> down
> down
> Serial0/3 unassigned YES NVRAM administratively down
> down
> Multilink1 172.31.127.1 YES NVRAM up
> up
> Multilink2 172.31.127.5 YES manual up
> up
> Loopback111 172.31.127.254 YES NVRAM up
> up
> CRIAJE-C#sh ip int brie
> CRIAJE-C#sh ip route
> CRIAJE-C#sh ip route
> Codes: 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
>
> Gateway of last resort is 192.168.246.49 to network 0.0.0.0
>
> 192.168.246.0/28 is subnetted, 1 subnets
> C 192.168.246.48 is directly connected, FastEthernet0/0
> 172.31.0.0/16 is variably subnetted, 8 subnets, 3 masks
> D 172.31.127.252/32 [90/12687872] via 172.31.127.6, 00:00:19,
> Multilink2
> D 172.31.127.253/32 [90/12687872] via 172.31.127.2, 1d22h,
> Multilink1
> C 172.31.127.254/32 is directly connected, Loopback111
> D 172.31.113.0/24 [90/12562432] via 172.31.127.2, 1d22h, Multilink1
> C 172.31.127.4/30 is directly connected, Multilink2
> C 172.31.127.6/32 is directly connected, Multilink2
> C 172.31.127.0/30 is directly connected, Multilink1
> C 172.31.127.2/32 is directly connected, Multilink1
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> S* 0.0.0.0/0 [1/0] via 192.168.246.49
> CRIAJE-C#
>
> Why 172.31.127.2/32 and 172.31.127.6/32 appeared in routing table as
> directly connected? is it normal? 172.31.127.2 is the IP Wan address from
> Router B. and 172.31.127.6/32 is the IP Wan Address from Router C.
>
> After i enable eigrp in Router Central and Spokes:
>
> In router Central:
>
> !
> router eigrp 100
> redistribute static metric 1544 2000 255 1 1500 route-map
> REDISTRIBUTED-EIGRP-STATIC
> network 172.31.127.0 0.0.0.3
> network 172.31.127.4 0.0.0.3
> network 172.31.127.254 0.0.0.0
> no auto-summary
> !
> ip http server
> ip classless
> ip route 0.0.0.0 0.0.0.0 192.168.246.49 tag 500
> !
> route-map REDISTRIBUTED-EIGRP-STATIC permit 10
> match tag 500
> !
>
> In Spoke (Router C):
>
> CRIAJE-2#sh run | b router eigrp
> router eigrp 100
> network 172.31.114.0 0.0.0.255
> network 172.31.127.4 0.0.0.3
> network 172.31.127.252 0.0.0.0
> no auto-summary
> !
>
> But in router C (CRIAJE-2) appear one D EX route (D EX
> 172.31.127.2/32[170/15119872] <http://172.31.127.2/32%5B170/15119872%5D>via
> 172.31.127.5, 00:04:05, Multilink1) ... why if i'm not redistributed that
> route.. ?????
>
>
> CRIAJE-2#sh ip route
> Codes: 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
>
> Gateway of last resort is 172.31.127.5 to network 0.0.0.0
>
> 172.31.0.0/16 is variably subnetted, 8 subnets, 3 masks
> C 172.31.127.252/32 is directly connected, Loopback111
> D 172.31.127.253/32 [90/15247872] via 172.31.127.5, 00:04:05,
> Multilink1
> D 172.31.127.254/32 [90/12687872] via 172.31.127.5, 00:04:05,
> Multilink1
> D 172.31.113.0/24 [90/15122432] via 172.31.127.5, 00:04:05,
> Multilink1
> C 172.31.127.4/30 is directly connected, Multilink1
> C 172.31.127.5/32 is directly connected, Multilink1
> D 172.31.127.0/30 [90/15119872] via 172.31.127.5, 00:04:05,
> Multilink1
> D EX 172.31.127.2/32 [170/15119872] via 172.31.127.5, 00:04:05,
> Multilink1
> D*EX 0.0.0.0/0 [170/13071872] via 172.31.127.5, 00:04:05, Multilink1
> CRIAJE-2#
>
>
> Rgds.
>
> --
> Omar E.P.T
> -----------------
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