From: ccie2002@tampabay.rr.com
Date: Mon Aug 04 2003 - 13:16:08 GMT-3
Just remember, in most cases a static route will not be allowed. So you can either redistribute BGP into your IGP or do policy routing on the IGP router, depending on the scenario and requirements.
----- Original Message -----
From: "Charles T. Alexander" <charles.t.alexander@verizon.net>
Date: Monday, August 4, 2003 12:07 pm
Subject: Re: BGP ping problem
> No it doesn't. I thought this was alright since this was not a
> bgp router.
> I then noticed a static route in 7 for these two addressess. I
> put the
> static in and everything works. So the conclusion I now
> understand is that I
> have to redistribute from bgp to igp before or put in a static.
> Another way
> of saying there must be route to the destination through igp.
> Thanks. Some
> how I thought bgp was above the law.
>
> ccie2002@tampabay.rr.com wrote:
>
> > Does R7 know how to get to these networks?
> >
> > 193.168.10.0 193.168.11.0
> >
> > ----- Original Message -----
> > From: "Charles T. Alexander" <charles.t.alexander@verizon.net>
> > Date: Monday, August 4, 2003 11:27 am
> > Subject: BGP ping problem
> >
> > > I am having trouble pinging bgp routes that seem to be OK.
> > >
> > > r5 --- r7 --- r8
> > > bgp bgp
> > >
> > > Below are 2 pings of bgp routes and an OK ping of loopback
> > >
> > > r5#p 193.168.10.1
> > >
> > > Type escape sequence to abort.
> > > Sending 5, 100-byte ICMP Echos to 193.168.10.1, timeout is 2
> seconds:> > U.U.U
> > > Success rate is 0 percent (0/5)
> > > r5#p 193.168.11.1
> > >
> > > Type escape sequence to abort.
> > > Sending 5, 100-byte ICMP Echos to 193.168.11.1, timeout is 2
> seconds:> > U.U.U
> > > Success rate is 0 percent (0/5)
> > > r5#p 150.50.8.8
> > >
> > > Type escape sequence to abort.
> > > Sending 5, 100-byte ICMP Echos to 150.50.8.8, timeout is 2
> seconds:> > !!!!!
> > > Success rate is 100 percent (5/5), round-trip min/avg/max =
> > > 36/36/36 ms
> > > r5#
> > >
> > > Below are show routes and bgp routes and neighbors followed by the
> > > config for r5 and then the config for r8.
> > > r5#i
> > > Codes: C - connected, S - static, I - IGRP, 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, E -
> EGP
> > > i - IS-IS, 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 150.50.201.7 to network 0.0.0.0
> > >
> > > B 193.168.11.0/24 [20/0] via 150.50.8.8, 00:23:03
> > > 192.168.10.0/26 is subnetted, 1 subnets
> > > O IA 192.168.10.0 [110/1832] via 150.50.100.6, 16:03:53,
> Serial1/0> > 172.16.0.0/24 is subnetted, 4 subnets
> > > B 172.16.0.0 [200/0] via 150.50.10.1, 01:11:38
> > > B 172.16.1.0 [200/0] via 150.50.10.1, 01:11:38
> > > B 172.16.2.0 [200/0] via 150.50.10.1, 01:11:38
> > > B 172.16.3.0 [200/0] via 150.50.10.1, 01:11:38
> > > B 193.168.10.0/24 [20/0] via 150.50.8.8, 00:23:03
> > > O E2 192.168.4.0/24 [110/400] via 150.50.100.2, 16:03:54,
> Serial1/0> > 10.0.0.0/24 is subnetted, 2 subnets
> > > i ia 10.1.2.0 [109/183] via 150.50.201.7, Ethernet0/0
> > > i ia 10.1.1.0 [109/183] via 150.50.201.7, Ethernet0/0
> > > O E2 192.168.1.0/24 [110/400] via 150.50.100.2, 16:03:56,
> Serial1/0> > O E2 192.168.2.0/24 [110/400] via 150.50.100.2,
> 16:03:56, Serial1/0
> > > 150.50.0.0/16 is variably subnetted, 19 subnets, 3 masks
> > > O E2 150.50.200.0/24 [110/300] via 150.50.100.2, 16:03:56,
> > > Serial1/0C 150.50.201.0/24 is directly connected,
> Ethernet0/0> > O IA 150.50.40.0/24 [110/270] via 150.50.100.4,
> 16:03:56, Serial1/0
> > > i ia 150.50.8.8/32 [109/158] via 150.50.201.7, Ethernet0/0
> > > O E2 150.50.6.6/32 [110/400] via 150.50.100.6, 01:24:44,
> Serial1/0> > O IA 150.50.9.9/32 [110/1823] via 150.50.100.6,
> 16:03:56, Serial1/0
> > > O IA 150.50.1.1/32 [110/271] via 150.50.100.2, 16:03:56,
> Serial1/0> > O 150.50.4.4/32 [110/261] via 150.50.100.4,
> 16:03:56, Serial1/0
> > > O 150.50.2.2/32 [110/261] via 150.50.100.2, 16:03:56,
> Serial1/0> > i L1 150.50.7.7/32 [109/17] via 150.50.201.7,
> Ethernet0/0> > C 150.50.5.5/32 is directly connected, Loopback0
> > > O IA 150.50.10.0/24 [110/270] via 150.50.100.2, 16:03:56,
> Serial1/0> > O E2 150.50.101.1/32 [110/400] via 150.50.100.6,
> 00:24:03,> > Serial1/0C 150.50.100.0/24 is directly
> connected, Serial1/0
> > > i L1 150.50.101.0/30 [109/20] via 150.50.201.7, Ethernet0/0
> > > O E2 150.50.101.2/32 [110/400] via 150.50.100.6, 00:24:03,
> > > Serial1/0C 150.50.101.5/32 is directly connected, BRI0/0
> > > C 150.50.101.4/30 is directly connected, BRI0/0
> > > O IA 150.50.71.0/30 [110/1822] via 150.50.100.6, 16:03:57,
> > > Serial1/0O E2 192.168.3.0/24 [110/400] via 150.50.100.2, 16:03:57,
> > > Serial1/0i*L1 0.0.0.0/0 [109/10] via 150.50.201.7, Ethernet0/0
> > > r5#b
> > > BGP table version is 29, local router ID is 150.50.5.5
> > > Status codes: s suppressed, d damped, h history, * valid, > best,
> > > i -
> > > internal
> > > Origin codes: i - IGP, e - EGP, ? - incomplete
> > >
> > > Network Next Hop Metric LocPrf Weight Path
> > > *>i172.16.0.0/24 150.50.10.1 100 0 8888
> > > 500 i
> > > *>i172.16.1.0/24 150.50.10.1 100 0 8888
> > > 500 i
> > > *>i172.16.2.0/24 150.50.10.1 100 0 8888
> > > 500 i
> > > *>i172.16.3.0/24 150.50.10.1 100 0 8888
> > > 500 i
> > > *> 193.168.10.0 150.50.8.8 0 0
> 800 i
> > > *> 193.168.11.0 150.50.8.8 0 0
> 800 i
> > > r5#bs
> > > BGP router identifier 150.50.5.5, local AS number 200
> > > BGP table version is 29, main routing table version 29
> > > 6 network entries and 6 paths using 798 bytes of memory
> > > 2 BGP path attribute entries using 104 bytes of memory
> > > 2 BGP AS-PATH entries using 48 bytes of memory
> > > 0 BGP route-map cache entries using 0 bytes of memory
> > > 0 BGP filter-list cache entries using 0 bytes of memory
> > > BGP activity 32/182 prefixes, 36/30 paths, scan interval 15 secs
> > >
> > > Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down
> > > State/PfxRcd
> > >
> > > 150.50.2.2 4 200 946 958 29 0 0
> > > 01:11:50 4
> > > 150.50.8.8 4 800 55 52 29 0 0
> > > 00:24:08 2
> > > r5#
> > >
> > > r5#r
> > > Building configuration...
> > >
> > > Current configuration:
> > > !
> > > version 12.1
> > > service timestamps debug uptime
> > > service timestamps log uptime
> > > no service password-encryption
> > > !
> > > hostname r5
> > > !
> > > logging buffered 10000 debugging
> > > enable password radnor
> > > !
> > > username r2 password 0 ctasta
> > > !
> > > !
> > > !
> > > !
> > > ip subnet-zero
> > > no ip domain-lookup
> > > !
> > > lane client flush
> > > isdn switch-type basic-ni
> > > cns event-service server
> > > !
> > > !
> > > !
> > > !
> > > !
> > > interface Loopback0
> > > ip address 150.50.5.5 255.255.255.255
> > > !
> > > interface BRI0/0
> > > ip address 150.50.101.6 255.255.255.252
> > > encapsulation ppp
> > > ip ospf cost 9999
> > > dialer idle-timeout 90
> > > dialer map ip 150.50.101.5 name r2 broadcast 4081111111
> > > dialer load-threshold 1 outbound
> > > dialer-group 1
> > > isdn switch-type basic-ni
> > > isdn spid1 40822222221
> > > isdn spid2 40822222222
> > > random-detect
> > > ppp multilink
> > > !
> > > interface Ethernet0/0
> > > ip address 150.50.201.5 255.255.255.0
> > > ip router isis
> > > !
> > > interface TokenRing0/0
> > > no ip address
> > > shutdown
> > > ring-speed 16
> > > !
> > > interface Serial1/0
> > > bandwidth 384
> > > ip address 150.50.100.5 255.255.255.0
> > > encapsulation frame-relay
> > > ip ospf priority 0
> > > no fair-queue
> > > frame-relay map ip 150.50.100.2 501 broadcast
> > > frame-relay map ip 150.50.100.4 501 broadcast
> > > frame-relay map ip 150.50.100.5 501
> > > frame-relay map ip 150.50.100.6 501 broadcast
> > > no frame-relay inverse-arp
> > > frame-relay lmi-type ansi
> > > !
> > > interface Serial1/1
> > > no ip address
> > > shutdown
> > > !
> > > interface Serial1/2
> > > no ip address
> > > shutdown
> > > !
> > > interface Serial1/3
> > > no ip address
> > > shutdown
> > > !
> > > router ospf 1
> > > router-id 150.50.5.5
> > > redistribute connected subnets
> > > redistribute isis level-1 metric 33 subnets route-map i2o
> > > network 150.50.5.5 0.0.0.0 area 0
> > > network 150.50.100.0 0.0.0.255 area 0
> > > network 150.50.101.4 0.0.0.3 area 0
> > > !
> > > router isis
> > > redistribute connected metric 30 route-map c2i level-1
> > > redistribute ospf 1 metric 30 route-map o2i level-1
> > > distance 109 0.0.0.0 255.255.255.255
> > > net 49.0007.5555.5555.5555.00
> > > is-type level-1
> > > !
> > > router bgp 200
> > > no synchronization
> > > neighbor 150.50.2.2 remote-as 200
> > > neighbor 150.50.2.2 update-source Loopback0
> > > neighbor 150.50.8.8 remote-as 800
> > > neighbor 150.50.8.8 ebgp-multihop 5
> > > neighbor 150.50.8.8 update-source Loopback0
> > > no auto-summary
> > > !
> > > ip classless
> > > no ip http server
> > > !
> > > access-list 11 permit 150.50.1.1
> > > access-list 11 permit 150.50.2.2
> > > access-list 11 permit 150.50.4.4
> > > access-list 11 permit 150.50.5.5
> > > access-list 11 permit 150.50.9.9
> > > access-list 11 permit 192.168.1.0 0.0.0.255
> > > access-list 11 permit 192.168.2.0 0.0.0.255
> > > access-list 11 permit 192.168.3.0 0.0.0.255
> > > access-list 11 permit 192.168.4.0 0.0.0.255
> > > access-list 11 permit 150.50.200.0 0.0.0.255
> > > access-list 11 permit 150.50.10.0 0.0.0.255
> > > access-list 11 permit 150.50.101.4 0.0.0.3
> > > access-list 11 permit 150.50.100.0 0.0.0.255
> > > access-list 11 permit 150.50.40.0 0.0.0.255
> > > access-list 11 permit 150.50.71.0 0.0.0.3
> > > access-list 11 permit 192.168.10.0 0.0.0.63
> > > access-list 12 permit 150.50.5.5
> > > access-list 12 permit 150.50.101.4 0.0.0.3
> > > access-list 12 permit 150.50.100.0 0.0.0.255
> > > access-list 21 permit 150.50.7.7
> > > access-list 21 permit 150.50.8.8
> > > access-list 21 permit 150.50.201.0 0.0.0.255
> > > access-list 21 permit 150.50.101.0 0.0.0.3
> > > access-list 21 permit 10.1.1.0 0.0.0.255
> > > access-list 21 permit 10.1.2.0 0.0.0.255
> > > dialer-list 1 protocol ip permit
> > > route-map o2i permit 10
> > > match ip address 11
> > > !
> > > route-map i2o permit 10
> > > match ip address 21
> > > !
> > > route-map c2i permit 10
> > > match ip address 12
> > > !
> > > !
> > > alias exec i show ip route
> > > alias exec r show run
> > > alias exec c config t
> > > alias exec u undebug all
> > > alias exec b show ip bgp
> > > alias exec bs show ip bgp sum
> > > alias exec s show ip int brief
> > > !
> > > line con 0
> > > exec-timeout 0 0
> > > logging synchronous
> > > transport input none
> > > escape-character 27
> > > line aux 0
> > > line vty 0 4
> > > exec-timeout 0 0
> > > password bp
> > > login
> > > !
> > > end
> > >
> > > bb1>8
> > > [Resuming connection 8 to r8 ... ]
> > >
> > > r8#r
> > > Building configuration...
> > >
> > > Current configuration : 2250 bytes
> > > !
> > > version 12.2
> > > no service single-slot-reload-enable
> > > service timestamps debug uptime
> > > service timestamps log uptime
> > > no service password-encryption
> > > service tcp-small-servers
> > > !
> > > hostname r8
> > > !
> > > logging buffered 10000 debugging
> > > logging rate-limit console 10 except errors
> > > enable password radnor
> > > !
> > > ip subnet-zero
> > > no ip finger
> > > no ip domain-lookup
> > > ip host tbb2 150.50.4.254
> > > !
> > > no ip dhcp-client network-discovery
> > > !
> > > !
> > > !
> > > !
> > > interface Loopback0
> > > ip address 150.50.8.8 255.255.255.255
> > > ip router isis
> > > !
> > > interface Loopback10
> > > ip address 193.168.10.1 255.255.255.0
> > > !
> > > interface Loopback11
> > > ip address 193.168.11.1 255.255.255.0
> > > !
> > > interface Ethernet0
> > > ip address 150.50.4.8 255.255.255.0
> > > no ip route-cache
> > > no ip mroute-cache
> > > !
> > > interface Serial0
> > > bandwidth 64
> > > ip address 150.50.101.2 255.255.255.252
> > > ip router isis
> > > encapsulation ppp
> > > no ip route-cache
> > > no ip mroute-cache
> > > no fair-queue
> > > ppp quality 85
> > > !
> > > interface Serial1
> > > no ip address
> > > no ip route-cache
> > > no ip mroute-cache
> > > shutdown
> > > !
> > > interface BRI0
> > > no ip address
> > > no ip route-cache
> > > no ip mroute-cache
> > > shutdown
> > > isdn x25 static-tei 0
> > > cdapi buffers regular 0
> > > cdapi buffers raw 0
> > > cdapi buffers large 0
> > > !
> > > router isis
> > > redistribute connected metric 10 route-map c2i level-1-2
> > > redistribute static ip metric 35 level-1-2
> > > net 49.0008.8888.8888.8888.00
> > > !
> > > router bgp 800
> > > no synchronization
> > > bgp log-neighbor-changes
> > > network 193.168.10.0
> > > network 193.168.11.0
> > > neighbor 150.50.5.5 remote-as 200
> > > neighbor 150.50.5.5 ebgp-multihop 5
> > > neighbor 150.50.5.5 update-source Loopback0
> > > neighbor 150.50.6.6 remote-as 200
> > > neighbor 150.50.6.6 ebgp-multihop 5
> > > neighbor 150.50.6.6 update-source Loopback0
> > > no auto-summary
> > > !
> > > ip kerberos source-interface any
> > > ip classless
> > > ip route 10.1.1.0 255.255.255.0 Ethernet0
> > > ip route 10.1.2.0 255.255.255.0 Ethernet0
> > > no ip http server
> > > !
> > > access-list 1 permit 150.50.8.8
> > > route-map c2i permit 10
> > > match ip address 1
> > > !
> > > !
> > > alias exec i show ip route
> > > alias exec r show run
> > > alias exec c config t
> > > alias exec u undebug all
> > > alias exec b show ip bgp
> > > alias exec bs show ip bgp sum
> > > alias exec s show ip int brief
> > > !
> > > line con 0
> > > exec-timeout 0 0
> > > logging synchronous
> > > transport input none
> > > escape-character 27
> > > line aux 0
> > > transport input all
> > > line vty 0 4
> > > exec-timeout 0 0
> > > password bp
> > > login
> > > !
> > > end
> > >
> > > r8#x
> > >
> > >
> > >
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