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cisco:books:ccie_bridging_the_gap:ch10:lab10-2-1 [2025/08/24 15:02] – created Namecisco:books:ccie_bridging_the_gap:ch10:lab10-2-1 [2025/08/24 15:29] (current) – Name
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 =====Cisco Books - CCIE Bridging the Gap: Chapter 10 - Lab 10-2 - Task 1===== =====Cisco Books - CCIE Bridging the Gap: Chapter 10 - Lab 10-2 - Task 1=====
-====Parameters==== +=====Parameters==== 
 This lab has the following parameters: This lab has the following parameters:
-  * RIPv2 as the underlay, to provide a route between loopbacks. +  * iBGP between the three routers.
-  * iBGP as the overlay to share routes between four routers.+
   * The loopback addresses are used as the peering between the iBGP neighbors.   * The loopback addresses are used as the peering between the iBGP neighbors.
-  * BGP peer groups are used for all neighbors. +
-  * BGP neighbors have authentication configured.+
  
 {{:cisco:books:ccie_bridging_the_gap:ch10:lab_10-2.jpg?300 |}} {{:cisco:books:ccie_bridging_the_gap:ch10:lab_10-2.jpg?300 |}}
  
-====Initial Configurations====+=====Initial Configurations=====
 __r1__ __r1__
 <code>en <code>en
Line 70: Line 68:
 wr</code> wr</code>
  
-====End of Lab 10-1 Configurations====+=====End of Lab 10-1 Configurations=====
  
 __r1__ __r1__
-<code>hostname r1 +<code>router bgp 100 
-interface Loopback0 + bgp router-id 1.1.1.1
- ip address 1.1.1.1 255.0.0.0 +
-! +
-interface Loopback1 +
- ip address 192.168.1.1 255.255.255.0 +
-! +
-interface GigabitEthernet0/0 +
- ip address 10.1.1.1 255.255.255.0 +
- no shut +
-! +
-router rip +
- version 2+
  network 1.0.0.0  network 1.0.0.0
- network 10.0.0.0 + neighbor 12.1.1.2 remote-as 100 
- no auto-summary + neighbor 13.1.1.3 remote-as 100</code>
-! +
-router bgp 100 +
- bgp router-id 1.1.1.1 +
- network 192.168.1.1 +
- neighbor tst peer-group +
- neighbor tst remote-as 100 +
- neighbor tst password cisco +
- neighbor tst update-source Loopback0 +
- neighbor 2.2.2.2 peer-group tst +
- neighbor 3.3.3.3 peer-group tst +
- neighbor 4.4.4.4 peer-group tst</code>+
 __r2__ __r2__
-<code>hostname r2 +<code>router bgp 100 
-interface Loopback0 + bgp router-id 2.2.2.2
- ip address 2.2.2.2 255.0.0.0 +
-! +
-interface Loopback1 +
- ip address 192.168.2.2 255.255.255.0 +
-! +
-interface GigabitEthernet0/0 +
- ip address 10.1.1.2 255.255.255.0 +
- no shut +
-! +
-router rip +
- version 2+
  network 2.0.0.0  network 2.0.0.0
- network 10.0.0.0 + neighbor 12.1.1.1 remote-as 100</code>
- no auto-summary +
-! +
-router bgp 100 +
- bgp router-id 2.2.2.2 +
- network 192.168.2.2 +
- neighbor tst peer-group +
- neighbor tst remote-as 100 +
- neighbor tst password cisco +
- neighbor tst update-source Loopback0 +
- neighbor 1.1.1.1 peer-group tst +
- neighbor 3.3.3.3 peer-group tst +
- neighbor 4.4.4.4 peer-group tst</code>+
 __r3__ __r3__
-<code>hostname r3 +<code>router bgp 100 
-interface Loopback0 + bgp router-id 3.3.3.3
- ip address 3.3.3.3 255.0.0.0 +
-! +
-interface Loopback1 +
- ip address 192.168.3.3 255.255.255.0 +
-! +
-interface GigabitEthernet0/0 +
- ip address 10.1.1.3 255.255.255.0 +
- no shut +
-! +
-router rip +
- version 2+
  network 3.0.0.0  network 3.0.0.0
- network 10.0.0.0 + neighbor 13.1.1.1 remote-as 100</code>
- no auto-summary +
-! +
-router bgp 100 +
- bgp router-id 3.3.3.3 +
- network 192.168.3.3 +
- neighbor tst peer-group +
- neighbor tst remote-as 100 +
- neighbor tst password cisco +
- neighbor tst update-source Loopback0 +
- neighbor 1.1.1.1 peer-group tst +
- neighbor 2.2.2.2 peer-group tst +
- neighbor 4.4.4.4 peer-group tst</code> +
-__r4__ +
-<code>hostname r4 +
-interface Loopback0 +
- ip address 4.4.4.4 255.0.0.0 +
-! +
-interface Loopback1 +
- ip address 192.168.4.4 255.255.255.0 +
-! +
-interface GigabitEthernet0/0 +
- ip address 10.1.1.4 255.255.255.0 +
- no shut +
-! +
-router rip +
- version 2 +
- network 4.0.0.0 +
- network 10.0.0.0 +
- no auto-summary +
-! +
-router bgp 100 +
- bgp router-id 4.4.4.4 +
- network 192.168.4.4 +
- neighbor tst peer-group +
- neighbor tst remote-as 100 +
- neighbor tst password cisco +
- neighbor tst update-source Loopback0 +
- neighbor 1.1.1.1 peer-group tst +
- neighbor 2.2.2.2 peer-group tst +
- neighbor 3.3.3.3 peer-group tst</code>+
  
-====Verification on r1==== +=====Verification on r1===== 
-<code>r1#show ip bgp summary+<code>r1#show ip bgp summ
 BGP router identifier 1.1.1.1, local AS number 100 BGP router identifier 1.1.1.1, local AS number 100
-BGP table version is 9, main routing table version 9+BGP table version is 4, main routing table version 4 
 +3 network entries using 432 bytes of memory 
 +3 path entries using 252 bytes of memory 
 +2/2 BGP path/bestpath attribute entries using 320 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 using 1004 total bytes of memory 
 +BGP activity 3/0 prefixes, 3/0 paths, scan interval 60 secs
  
 Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
-2.2.2.2         4          100      37      37        9    0    0 00:30:57        0 +12.1.1.2        4          100       6      10        4    0    0 00:01:14        1 
-3.3.3.3         4          100       5       8        9    0    0 00:02:46        0 +13.1.1.3        4          100       6       6        4    0    0 00:01:27        1</code> 
-4.4.4.4         4          100       7       9        9    0    0 00:04:14        0</code> + 
-<code>r1#show ip bgp peer-group tst +<code>r1#show ip bgp | b Network 
-BGP peer-group is tst,  remote AS 100 +     Network          Next Hop            Metric LocPrf Weight Path 
-  BGP version 4 + *>   1.0.0.0          0.0.0.0                  0         32768 i 
-  Neighbor sessions: + *>i  2.0.0.0          12.1.1.2                 0    100      0 i 
-    0 active, is not multisession capable (disabled) + *>i  3.0.0.0          13.1.1.3                 0    100      0 i</code> 
-  Do log neighbor state changes (via global configuration) +
-  Default minimum time between advertisement runs is 0 seconds+
  
- For address family: IPv4 Unicast +=====Backlinks===== 
-  BGP neighbor is tst, peer-group internal, members: +[[:cisco|Cisco]]\\  
-  2.2.2.2 3.3.3.3 4.4.4.4 +[[:cisco:books|Cisco Books]]\\  
-  Index 0, Advertise bit 0 +[[:cisco:books:ccie_bridging_the_gap|CCIE Bridging the Gap]]\\  
-  Update messages formatted 0, replicated 0 +[[:cisco:books:ccie_bridging_the_gap:ch10|CCIE Bridging the Gap - Chapter 10]]\\ 
-  Number of NLRIs in the update sent: max 0, min 0</code>+
  
cisco/books/ccie_bridging_the_gap/ch10/lab10-2-1.1756047744.txt.gz · Last modified: by Name

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