From: MADMAN (dmadlan@xxxxxxxxx)
Date: Thu Mar 21 2002 - 16:06:01 GMT-3
Well not entirely. You don't need the specfic network in your routing
table to advertise a network with the network command unless you disable
auto-summary. I had already mentioned that previously but I thought
Halabi said it better than I hence the reference.
Dave
Peter van Oene wrote:
>
> Tshon's explanation _was_ pretty good and entirely accurate.
>
> At 08:35 AM 3/21/2002 -0600, MADMAN wrote:
> > For a good explantion see Internet Routing Architectures by Halabi,
> >2nd edition page 145.
> >
> > Dave
> >
> >Tshon wrote:
> > >
> > > Ok, I think this is what you are looking for.
> > >
> > > You can redistribute a route ... that is in your routing table (IGP)
> > > into BGP
> > > with either the Network command or the Redistribute command.
> > > If you use the Network command that route has to be specific in your
> > > routing
> > > table.
> > > If you use the Redistribute command the routes will automatically be
> > > summarized to
> > > their classful network boundary. Unless you use the no auto-summary
> > > command.
> > > then you will get the individual subnets.
> > >
> > > Understand that you didn't redistribute with the Redistribute command,
> > > so the no
> > > auto-summary command never came into place.
> > >
> > > Remove the Network command and use the Redistribute static and you
> > > should get
> > > your desired affect. with auto-summary on 12.0.0.0 with no auto-summary
> > > 12.12.0.0.
> > >
> > > Tshon
> > >
> > > Huy Luu wrote:
> > >
> > > >I also tried it with the no auto-summary command, then the router should
> > > >not auto summarize, or does it?
> > > >May be I misinterpreted the use of the no auto-summary command. Can you
> > > >please clarify?
> > > >Thanks.
> > > >
> > > >
> > > >
> > > >
> > > > Tshon
> > > > <tshon@netzero To: Huy Luu
> > <hluu@veroxity.com>
> > > > .net> cc:
> > ccielab@groupstudy.com, Lab Candidate <labccie@yahoo.com>,
> > > > nobody@groupstudy.com
> > > > 03/20/02 05:29 Subject: Re: BGP routes
> > don't show up in BGP table
> > > > PM
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >So, the point here is this.
> > > >
> > > >BGP will not advertise a route unless that route is exactly in its
> > > >routing table.
> > > >
> > > >You'll notice that when you didn't have a mask, BGP assumes the Default
> > > >mask
> > > >
> > > >12.12.0.0 255.0.0.0 it then looks in its table for a 12.0.0.0 network,
> > > >and since
> > > >it is not found, it doesn't advertise it.
> > > >
> > > >But once you gave the appropriate mask the router found it in the
> > > >routing table
> > > >and advertised it.
> > > >
> > > >network 12.12.0.0 255.255.0.0
> > > >
> > > >S 12.12.0.0 is directly connected, Null0
> > > >
> > > >
> > > >
> > > >Huy Luu wrote:
> > > >
> > > >>My config
> > > >>
> > > >>
> > > >>
> > > >>R5---------R6
> > > >>R5 has static route to 12.12.0.0 to next hop null 0.
> > > >>R5 learned 137.20.30.0/24 through OSPF
> > > >>
> > > >>
> > > >>R5#sho run
> > > >>Building configuration...
> > > >>
> > > >>Current configuration : 2465 bytes
> > > >>!
> > > >>version 12.1
> > > >>service timestamps debug uptime
> > > >>service timestamps log uptime
> > > >>no service password-encryption
> > > >>service udp-small-servers
> > > >>service tcp-small-servers
> > > >>!
> > > >>hostname R5
> > > >>!
> > > >>no logging console
> > > >>no logging monitor
> > > >>!
> > > >>!
> > > >>!
> > > >>!
> > > >>!
> > > >>ip subnet-zero
> > > >>no ip domain-lookup
> > > >>!
> > > >>appletalk routing
> > > >>ipx routing 0060.5cf4.721f
> > > >>!
> > > >>!
> > > >>!
> > > >>interface Loopback0
> > > >>no ip address
> > > >>no ip route-cache
> > > >>no ip mroute-cache
> > > >>!
> > > >>interface Loopback10
> > > >>ip address 1.1.1.1 255.255.255.0
> > > >>!
> > > >>interface Ethernet0
> > > >>ip address 137.20.50.1 255.255.255.0
> > > >>no ip route-cache
> > > >>ip ospf cost 1
> > > >>ip ospf priority 255
> > > >>no ip mroute-cache
> > > >>appletalk cable-range 600-600 600.19
> > > >>appletalk zone R5E0
> > > >>ipx network 510
> > > >>ipx network 590 encapsulation SAP secondary
> > > >>!
> > > >>interface Serial0
> > > >>ip address 137.20.101.5 255.255.255.0
> > > >>no ip route-cache
> > > >>ip ospf network point-to-multipoint
> > > >>no ip mroute-cache
> > > >>appletalk cable-range 300-300 300.109
> > > >>appletalk zone R1S02
> > > >>ipx input-sap-filter 1000
> > > >>ipx network 230
> > > >>custom-queue-list 1
> > > >>!
> > > >>interface Serial1
> > > >>no ip address
> > > >>no ip route-cache
> > > >>no ip mroute-cache
> > > >>shutdown
> > > >>!
> > > >>router ospf 100
> > > >>log-adjacency-changes
> > > >>redistribute static
> > > >>network 137.20.101.0 0.0.0.255 area 0
> > > >>!
> > > >>router bgp 2
> > > >>no synchronization
> > > >>bgp log-neighbor-changes
> > > >>network 12.12.0.0 mask 255.255.0.0
> > > >>network 137.20.30.0 mask 255.255.255.0
> > > >>neighbor 137.20.50.7 remote-as 3
> > > >>neighbor 137.20.50.7 soft-reconfiguration inbound
> > > >>no auto-summary
> > > >>!
> > > >>ip classless
> > > >>ip route 12.12.0.0 255.255.0.0 Null0
> > > >>no ip http server
> > > >>ip ospf name-lookup
> > > >>!
> > > >>!
> > > >>ip prefix-list ALL seq 5 permit 0.0.0.0/0 le 32
> > > >>!
> > > >>ip prefix-list NORIP seq 5 permit 192.168.100.0/24
> > > >>!
> > > >>ip prefix-list RIPROUTE seq 5 permit 192.168.100.0/24
> > > >>access-list 2 deny 200.200.0.0 0.0.255.255
> > > >>access-list 2 permit any
> > > >>access-list 19 permit any
> > > >>access-list 20 permit 192.168.100.0 0.0.0.255
> > > >>access-list 35 permit 192.168.1.0 0.0.254.0
> > > >>access-list 120 permit ip 192.168.100.0 0.0.0.255 any
> > > >>access-list 1000 permit 320 4 Fileservers
> > > >>access-list 1000 permit 320 4 Fileserver
> > > >>queue-list 1 protocol ip 1 tcp telnet
> > > >>queue-list 1 protocol ip 2
> > > >>queue-list 1 protocol ipx 3
> > > >>queue-list 1 default 4
> > > >>route-map NORIP deny 10
> > > >>match ip address 120
> > > >>!
> > > >>route-map NORIP deny 15
> > > >>match ip address 35
> > > >>!
> > > >>route-map NORIP permit 20
> > > >>match ip address 19
> > > >>!
> > > >>!
> > > >>!
> > > >>!
> > > >>ipx router eigrp 2
> > > >>network 230
> > > >>!
> > > >>!
> > > >>!
> > > >>alias exec sixr sho ipx route
> > > >>alias exec sixb sho ipx interface brief
> > > >>!
> > > >>line con 0
> > > >>line aux 0
> > > >>transport input all
> > > >>line vty 0 4
> > > >>password cisco
> > > >>no login
> > > >>!
> > > >>end
> > > >>
> > > >>R5 is advertising both networks with the mask specified
> > > >>R5#sho ip bgp neigh 137.20.50.7 ad
> > > >>BGP table version is 50, local router ID is 137.20.101.5
> > > >>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
> > > >>*> 12.12.0.0/16 0.0.0.0 0 32768 i
> > > >>*> 137.20.30.0/24 137.20.101.3 65 32768 i
> > > >>
> > > >>
> > > >>R5#sho ip route
> > > >>Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BG
P
> > > >> 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 int
er
> > > >>area
> > > >> * - candidate default, U - per-user static route, o - ODR
> > > >> P - periodic downloaded static route
> > > >>
> > > >>Gateway of last resort is not set
> > > >>
> > > >> 1.0.0.0/24 is subnetted, 1 subnets
> > > >>C 1.1.1.0 is directly connected, Loopback10
> > > >> 137.20.0.0/16 is variably subnetted, 6 subnets, 2 masks
> > > >>O IA 137.20.30.0/24 [110/65] via 137.20.101.3, 00:18:48, Serial0
> > > >>O IA 137.20.3.0/24 [110/65] via 137.20.101.3, 00:18:48, Serial0
> > > >>C 137.20.50.0/24 is directly connected, Ethernet0
> > > >>C 137.20.101.0/24 is directly connected, Serial0
> > > >>O IA 137.20.103.0/24 [110/74] via 137.20.101.3, 00:18:48, Serial0
> > > >>O 137.20.101.3/32 [110/64] via 137.20.101.3, 00:18:49, Serial0
> > > >> 12.0.0.0/16 is subnetted, 1 subnets
> > > >>S 12.12.0.0 is directly connected, Null0
> > > >>
> > > >>
> > > >>
> > > >>Now I use the network statement without the mask option
> > > >>R5#sho run
> > > >>Building configuration...
> > > >>
> > > >>Current configuration : 2429 bytes
> > > >>!
> > > >>version 12.1
> > > >>service timestamps debug uptime
> > > >>service timestamps log uptime
> > > >>no service password-encryption
> > > >>service udp-small-servers
> > > >>service tcp-small-servers
> > > >>!
> > > >>hostname R5
> > > >>!
> > > >>no logging console
> > > >>no logging monitor
> > > >>!
> > > >>!
> > > >>!
> > > >>!
> > > >>!
> > > >>ip subnet-zero
> > > >>no ip domain-lookup
> > > >>!
> > > >>appletalk routing
> > > >>ipx routing 0060.5cf4.721f
> > > >>!
> > > >>!
> > > >>!
> > > >>interface Loopback0
> > > >>no ip address
> > > >>no ip route-cache
> > > >>no ip mroute-cache
> > > >>!
> > > >>interface Loopback10
> > > >>ip address 1.1.1.1 255.255.255.0
> > > >>!
> > > >>interface Ethernet0
> > > >>ip address 137.20.50.1 255.255.255.0
> > > >>no ip route-cache
> > > >>ip ospf cost 1
> > > >>ip ospf priority 255
> > > >>no ip mroute-cache
> > > >>appletalk cable-range 600-600 600.19
> > > >>appletalk zone R5E0
> > > >>ipx network 510
> > > >>ipx network 590 encapsulation SAP secondary
> > > >>!
> > > >>interface Serial0
> > > >>ip address 137.20.101.5 255.255.255.0
> > > >>no ip route-cache
> > > >>ip ospf network point-to-multipoint
> > > >>no ip mroute-cache
> > > >>appletalk cable-range 300-300 300.109
> > > >>appletalk zone R1S02
> > > >>ipx input-sap-filter 1000
> > > >>ipx network 230
> > > >>custom-queue-list 1
> > > >>!
> > > >>interface Serial1
> > > >>no ip address
> > > >>no ip route-cache
> > > >>no ip mroute-cache
> > > >>shutdown
> > > >>!
> > > >>router ospf 100
> > > >>log-adjacency-changes
> > > >>redistribute static
> > > >>network 137.20.101.0 0.0.0.255 area 0
> > > >>!
> > > >>router bgp 2
> > > >>no synchronization
> > > >>bgp log-neighbor-changes
> > > >>network 1.1.1.0
> > > >>network 12.12.0.0
> > > >>network 137.20.30.0
> > > >>network 137.20.103.0
> > > >>neighbor 137.20.50.7 remote-as 3
> > > >>neighbor 137.20.50.7 soft-reconfiguration inbound
> > > >>no auto-summary
> > > >>!
> > > >>
> > > >>
> > > >>R5#sho ip bgp
> > > >>NONE
> > > >>R5#sho ip bgp neigh 137.20.50.7 ad
> > > >>NONE
> > > >>
> > > >>R5#sho ip route
> > > >>Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BG
P
> > > >> 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 int
er
> > > >>area
> > > >> * - candidate default, U - per-user static route, o - ODR
> > > >> P - periodic downloaded static route
> > > >>
> > > >>Gateway of last resort is not set
> > > >>
> > > >> 1.0.0.0/24 is subnetted, 1 subnets
> > > >>C 1.1.1.0 is directly connected, Loopback10
> > > >> 137.20.0.0/16 is variably subnetted, 6 subnets, 2 masks
> > > >>O IA 137.20.30.0/24 [110/65] via 137.20.101.3, 00:21:57, Serial0
> > > >>O IA 137.20.3.0/24 [110/65] via 137.20.101.3, 00:21:57, Serial0
> > > >>C 137.20.50.0/24 is directly connected, Ethernet0
> > > >>C 137.20.101.0/24 is directly connected, Serial0
> > > >>O IA 137.20.103.0/24 [110/74] via 137.20.101.3, 00:21:57, Serial0
> > > >>O 137.20.101.3/32 [110/64] via 137.20.101.3, 00:21:58, Serial0
> > > >> 12.0.0.0/16 is subnetted, 1 subnets
> > > >>S 12.12.0.0 is directly connected, Null0
> > > >>
> > > >>
> > > >>
> > > >
> > > >> Tshon
> > > >>
> > > >
> > > >> <tshon@netzero To: Huy Luu
> > > >>
> > > ><hluu@veroxity.com>
> > > >
> > > >> .net> cc: ccielab@groupstudy.com,
> > > >>
> > > >Lab Candidate <labccie@yahoo.com>,
> > > >
> > > >> nobody@groupstudy.com
> > > >>
> > > >
> > > >> 03/20/02 03:19 Subject: Re: BGP routes don
't
> > > >>
> > > >show up in BGP table
> > > >
> > > >> PM
> > > >>
> > > >
> > > >
> > > >
> > > >>
> > > >>
> > > >>
> > > >>Why don't you repaste the configs and the routing tables now, for the
> > > >>archives. So that people
> > > >>can later refence what you did before and what you did after.
> > > >>
> > > >>Huy Luu wrote:
> > > >> I got it to work, by adding the additional mask command.
> > > >> But I'm still confuse. First I used the network 1.1.1.0, which di
d
> > > >> not
> > > >> work. I also added no sync and no auto-summary, which did not work
.
> > > >> I
> > > >> thought that if I use the network command to advertise a network, a
nd
> > > >> if I
> > > >> have a valid route to a subnet of that network, it should advertise
> > > >> the
> > > >> network and auto summarize at the classful boundary. In this examp
le
> > > >> the
> > > >> router should summarize and advertise 1.0.0.0/8 if I use the networ
k
> > > >> statement 1.1.1.0, but it did not.
> > > >>
> > > >>
> > > >>
> > > >>
> > > >> Tshon
> > > >>
> > > >> <tshon@netzero To: Lab Candidate
> > > >> <labccie@yahoo.com>
> > > >>
> > > >> .net> cc:
> > > >> ccielab@groupstudy.com
> > > >> Sent by: Subject: Re: BGP route
s
> > > >> don't show up in BGP table
> > > >> nobody@groupst
> > > >>
> > > >> udy.com
> > > >>
> > > >>
> > > >>
> > > >> 03/20/02 02:31
> > > >>
> > > >> PM
> > > >>
> > > >> Please respond
> > > >>
> > > >> to Tshon
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >> You will only advertis networks you can reach. You don't have a
> > > >> network
> > > >> 1.1.1.1 in your routing table.
> > > >> You don't have a network 2.2.2.2 in your routing table. Try Networ
k
> > > >> 1.1.1.0 and 2.2.2.0.
> > > >>
> > > >> Tshon
> > > >>
> > > >> Lab Candidate wrote:
> > > >>
> > > >> Here is a basic BGP setup with r1 and r2:
> > > >> r1 AS100 r2 AS200
> > > >> s0----------------s0
> > > >> lo0 1.1.1.1 lo0 2.2.2.2
> > > >> I am advertising both r1's and r2's loopbacks lo0 by putting
> > > >> under a
> > > >> network statement.
> > > >> but somehow they never showed up in the other's BGP table. Wha
t
> > > >> am I doing
> > > >> wrong?
> > > >> here is the configs and output from both r1 and r2:
> > > >>
> > > >> r1#
> > > >> 1d00h: BGP: 192.168.1.2 went from Idle to Active
> > > >> 1d00h: BGP: 192.168.1.2 open active, delay 15324ms
> > > >> 1d00h: BGP: 192.168.1.2 open active, local address 192.168.1.1
> > > >> 1d00h: BGP: scanning routing tables
> > > >> 1d00h: BGP: nettable_scan: invalidate local path for 1.0.0.0/8
> > > >> 1d00h: BGP: nettable_scan: invalidate sourced path for 1.0.0.0
/8
> > > >> 1d00h: BGP: no valid path for 1.0.0.0/8
> > > >> 1d00h: BGP: nettable_walker 1.0.0.0/8 no best path
> > > >>
> > > >> r1#sh ip ro
> > > >> Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobil
e,
> > > >> B - BGP
> > > >> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inte
r
> > > >> 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, * -
> > > >> candidate
> > > >> default
> > > >> U - per-user static route, o - ODR
> > > >>
> > > >> Gateway of last resort is not set
> > > >>
> > > >> 1.0.0.0/24 is subnetted, 1 subnets
> > > >> C 1.1.1.0 is directly connected, Loopback0
> > > >> C 192.168.1.0/24 is directly connected, Serial0
> > > >>
> > > >> r1#sh ip bgp
> > > >> {blank}
> > > >> r1#
> > > >>
> > > >> r1#sh run
> > > >> Building configuration...
> > > >>
> > > >> Current configuration:
> > > >> !
> > > >> version 12.0
> > > >> service timestamps debug uptime
> > > >> service timestamps log uptime
> > > >> no service password-encryption
> > > >> !
> > > >> hostname r1
> > > >> !
> > > >> !
> > > >> ip subnet-zero
> > > >> !
> > > >> !
> > > >> !
> > > >> interface Loopback0
> > > >> ip address 1.1.1.1 255.255.255.0
> > > >> no ip directed-broadcast
> > > >> !
> > > >> interface Ethernet0
> > > >> no ip address
> > > >> no ip directed-broadcast
> > > >> shutdown
> > > >> !
> > > >> interface Serial0
> > > >> ip address 192.168.1.1 255.255.255.0
> > > >> no ip directed-broadcast
> > > >> clockrate 64000
> > > >> !
> > > >> interface Serial1
> > > >> no ip address
> > > >> no ip directed-broadcast
> > > >> shutdown
> > > >> !
> > > >> router bgp 100
> > > >> network 1.1.1.1
> > > >> neighbor 192.168
> > > >> .1.2 remote-as 200
> > > >> !
> > > >> ip classless
> > > >> !
> > > >> !
> > > >> line con 0
> > > >> exec-timeout 0 0
> > > >> logging synchronous
> > > >> transport input none
> > > >> line aux 0
> > > >> line vty 0 4
> > > >> !
> > > >> end
> > > >>
> > > >> r1#
> > > >> r1#sh ip bgp nei
> > > >> BGP neighbor is 192.168.1.2, remote AS 200, external link
> > > >> Index 1, Offset 0, Mask 0x2
> > > >> BGP version 4, remote router ID 2.2.2.2
> > > >> BGP state = Established, table version = 25, up for 00:03:02
> > > >> Last read 00:00:03, hold time is 180, keepalive interval is 6
0
> > > >> seconds
> > > >> Minimum time between advertisement runs is 30 seconds
> > > >> Received 6 messages, 0 notifications, 0 in queue
> > > >> Sent 6 messages, 0 notifications, 0 in queue
> > > >> Prefix advertised 0, suppressed 0, withdrawn 0
> > > >> Connections established 1; dropped 0
> > > >> Last reset never
> > > >> 0 accepted prefixes consume 0 bytes
> > > >> 0 history paths consume 0 bytes
> > > >> Connection state is ESTAB, I/O status: 1, unread input bytes:
0
> > > >> Local host: 192.168.1.1, Local port: 11000
> > > >> Foreign host: 192.168.1.2, Foreign port: 179
> > > >>
> > > >>
> > > >> Enqueued packets for retransmit: 0, input: 0 mis-ordered: 0 (
0
> > > >> bytes)
> > > >>
> > > >> Event Timers (current time is 0x545E3C0):
> > > >> Timer Starts Wakeups Next
> > > >> Retrans 19 12 0x0
> > > >> TimeWait 0 0 0x0
> > > >> AckHold 6 2 0x0
> > > >> SendWnd 0 0 0x0
> > > >> KeepAlive 0 0 0x0
> > > >> GiveUp 0 0 0x0
> > > >> PmtuAger 0 0 0x0
> > > >> DeadWait 0 0 0x0
> > > >>
> > > >> iss: 278568032 snduna: 278568157 sndnxt: 278568157
> > > >> sndwnd: 16260
> > > >> irs: 2897909981 rcvnxt: 2897910106 rcvwnd: 16260
> > > >> delrcvwnd: 124
> > > >>
> > > >> SRTT: 614 ms, RTTO: 4262 ms, RTV: 1517 ms, KRTT: 0 ms
> > > >> minRTT: 24 ms, maxRTT: 300 ms, ACK hold: 200 ms
> > > >> Flags: higher precedence, nagle
> > > >>
> > > >> Datagrams (max data segment is 1460 bytes):
> > > >> Rcvd: 11 (out of order: 0), with
> > > >> data: 6, total data bytes: 124
> > > >> Sent: 10 (retransmit: 12), with data: 6, total data bytes: 124
> > > >> r1#
> > > >>
> > > >> =================== r2 config and debug =================
> > > >> r2#sh run
> > > >> Building configuration...
> > > >>
> > > >> Current configuration:
> > > >> !
> > > >> version 12.0
> > > >> service timestamps debug uptime
> > > >> service timestamps log uptime
> > > >> no service password-encryption
> > > >> !
> > > >> hostname r2
> > > >> !
> > > >> !
> > > >> ip subnet-zero
> > > >> !
> > > >> !
> > > >> !
> > > >> interface Loopback0
> > > >> ip address 2.2.2.2 255.255.255.0
> > > >> no ip directed-broadcast
> > > >> !
> > > >> interface Ethernet0
> > > >> no ip address
> > > >> no ip directed-broadcast
> > > >> shutdown
> > > >> !
> > > >> interface Serial0
> > > >> ip address 192.168.1.2 255.255.255.0
> > > >> no ip directed-broadcast
> > > >> !
> > > >> interface Serial1
> > > >> no ip address
> > > >> no ip directed-broadcast
> > > >> shutdown
> > > >> !
> > > >> router bgp 200
> > > >> network 2.2.2.2
> > > >> neighbor 192.168.1.1 remote-as 100
> > > >> !
> > > >> ip classless
> > > >> !
> > > >> !
> > > >> line con 0
> > > >> transport input none
> > > >> line aux 0
> > > >> line vty 0 4
> > > >> !
> > > >> end
> > > >>
> > > >> r2#
> > > >> r2#sh ip
> > > >> int b
> > > >> Interface IP-Address OK? Method Status
> > > >> Protocol
> > > >> Ethernet0 unassigned YES unset
> > > >> administratively down
> > > >> down
> > > >> Loopback0 2.2.2.2 YES manual up
> > > >> up
> > > >>
> > > >> Serial0 192.168.1.2 YES manual up
> > > >> up
> > > >>
> > > >> Serial1 unassigned YES unset
> > > >> administratively down
> > > >> down
> > > >> r2#sh ip ro
> > > >> Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobil
e,
> > > >> B - BGP
> > > >> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inte
r
> > > >> 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, * -
> > > >> candidate
> > > >> default
> > > >> U - per-user static route, o - ODR
> > > >>
> > > >> Gateway of last resort is not set
> > > >>
> > > >> 2.0.0.0/24 is subnetted, 1 subnets
> > > >> C 2.2.2.0 is directly connected, Loopback0
> > > >> C 192.168.1.0/24 is directly connected, Serial0
> > > >>
> > > >> r2#sh ip bgp
> > > >> {blank}
> > > >> r2#
> > > >>
> > > >> r2#sh ip bgp nei
> > > >> r2#sh ip bgp neighbors
> > > >> BGP neighbor is 192.168.1.1, remote AS 100, external link
> > > >> Index 1, Offset 0, Mask 0x2
> > > >> BGP version 4, remote router ID 1.1.1.1
> > > >> BGP state = Established, table version = 23, up for 00:00:17
> > > >> Last read 00:00:16, hold time is 180, keepalive interval is 6
0
> > > >> seconds
> > > >> Minimum time between advertisement runs is 30 seconds
> > > >> Received 3 messages, 0 notifications, 0 in queue
> > > >> Sent 3 messages, 0 notifications, 0 in queue
> > > >> Prefix advertised 0, suppressed 0, withdrawn 0
> > > >> Connections established 1; dropped 0
> > > >> Last reset never
> > > >> 0 accepted prefixes consume 0 bytes
> > > >> 0 history paths consume 0 bytes
> > > >> Conne
> > > >> ction state is ESTAB, I/O status: 1, unread input bytes: 0
> > > >> Local host: 192.168.1.2, Local port: 179
> > > >> Foreign host: 192.168.1.1, Foreign port: 11000
> > > >>
> > > >> Enqueued packets for retransmit: 0, input: 0 mis-ordered: 0 (
0
> > > >> bytes)
> > > >>
> > > >> Event Timers (current time is 0xF02CC):
> > > >> Timer Starts Wakeups Next
> > > >> Retrans 4 0 0x0
> > > >> TimeWait 0 0 0x0
> > > >> AckHold 3 2 0x0
> > > >> SendWnd 0 0 0x0
> > > >>
> > > >> KeepAlive 0 0 0x0
> > > >> GiveUp 0 0 0x0
> > > >> PmtuAger 0 0 0x0
> > > >> DeadWait 0 0 0x0
> > > >>
> > > >> iss: 2897909981 snduna: 2897910049 sndnxt: 2897910049
> > > >> sndwnd: 16317
> > > >> irs: 278568032 rcvnxt: 278568100 rcvwnd: 16317
> > > >> delrcvwnd: 67
> > > >>
> > > >> SRTT: 710 ms, RTTO: 4442 ms, RTV: 1511 ms, KRTT: 0 ms
> > > >> minRTT: 16 ms, m
> > > >> axRTT: 300 ms, ACK hold: 200 ms
> > > >> Flags: passive open, nagle, gen tcbs
> > > >>
> > > >> Datagrams (max data segment is 1460 bytes):
> > > >> Rcvd: 6 (out of order: 0), with data: 3, total data bytes: 67
> > > >> Sent: 6 (retransmit: 0), with data: 3, total data bytes: 67
> > > >> r2#sh ip bgp neighbors ?
> > > >> A.B.C.D Neighbor to display information about
> > > >> <cr>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:57:16 GMT-3