16 in the first 16 bits and a subnet mask of 24 bits or less? (Any other updates from AS 65101 are denied
How would you complete the following BGP configuration to allow the BGP router in AS 65111 to only accept BGP updates from AS 65101 having 172.16 in the first 16 bits and a subnet mask of 24 bits or less? (Any other updates from AS 65101 are denied.)
router bgp 65111
neighbor 10.1.1.1 remote-as 65101
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Which regular expression can be used to match all routes originating in the local AS?
Which regular expression can be used to match all routes originating in the local AS?
When starting the EBGP sessions with both ISPs announcing its networks, which two statements are true about th
AS 65101 is a dual home customer. When starting the EBGP sessions with both ISPs announcing its networks, which two statements are true about the default behavior of BGP? (Choose two)
What is wrong with the following BGP configuration? !
What is wrong with the following BGP configuration? !
interface loopback0
ip address 1.1.1.1 255.255.255.255
!
interface s0
ip address 172.16.1.2 255.255.255.0
!
interface e1
ip address 10.1.1.1 255.255.255.0
!
interface e2
ip address 10.1.2.1 255.255.255.0
!
router bgp 65101
neighbor 172.16.1.1 remote-as 65102
neighbor 3.3.3.3 remote-as 65101
neighbor 3.3.3.3 update-source loopback0
network 10.1.0.0 mask 0.0.255.255
no auto-summary
!
router eigrp 100
network 10.0.0.0
network 1.0.0.0
1 output, what is the neighbor relationship?
Based on the following show ip bgp neighbor 10.1.1.1 output, what is the neighbor relationship?
CK1 #show ip bgp neighbor 10.1.1.1
BGP neighbor is 10.1.1.1, remote AS 65002, external link Index 2, Offset 0, Mask 0x4
BGP version 4, remote router ID 12.1.2.3
Neighbor under common administration
BGP state = Established, table version = 5, up for 00:09:15 Last read 00:00:16, hold time is 180, keepalive interval is 60 seconds Minimum time between advertisement runs is 30 seconds Received 13 messages, 0 notifications, 0 in queue Sent 13 messages, 0 notifications, 0 in queue
Prefix advertised 1, suppressed 0, withdrawn 0
Connections established 1; dropped 0
Last reset never
1 accepted prefixes consume 32 bytes
0 history paths consume 0 bytes
External BGP neighbor may be up to 255 hops away
1 neighbor to remain in the Idle state?
Which two statements are true? (Choose two)
Which Cisco IOS command is used to view the amount of CPU resources consumed (utilization) due to running BGP
Which Cisco IOS command is used to view the amount of CPU resources consumed (utilization) due to running BGP processes?
Based on the following show ip bgp neighbors output from Domain 2, which two statements are true? (Choose two)
Based on the following show ip bgp neighbors output from Domain 2, which two statements are true? (Choose two)
Domain 2#show ip bgp neighbors
BGP neighbor is 10.1.1.5, remote AS 65101, internal link Index 1, Offset 0, Mask 0x2
Route-Reflector Client
BGP version 4, remote router ID 5.5.5.5
BGP state = Established, table version = 4, up for
00:01:29
Last read 00:00:29, hold time is 180, keepalive interval is 60 seconds
Minimum time between advertisement runs is 5 seconds Received 13556 messages, 0 notifications, 0 in queue Sent 13454 messages, 0 notifications, 0 in queue Prefix advertised 0, suppressed 0, withdraw 0
Default weight 900
Inbound path policy configured
Route map for incoming advertisement is test
Connections established 31; dropped 30
Last reset 00:01:40, due to User reset
3 accepted prefixes consume 96 bytes
0 history paths consume 0 bytes
0 history paths consume 0 bytes
1 Status codes: s suppressed, d damped, h history, *valid,>best,iinternal Origin codes: i – IGP, e
Exhibit:
R1#show ip bgp
BGP table version is 1, local router ID is 10.0.0.1 Status codes: s suppressed, d damped, h history, *valid,>best,iinternal Origin codes: i – IGP, e – EGP,? – incomplete
Network Next Hop Metric LocPrf Wight Path
*i133.3.0.0 3.3.3.3 0 100 0 65101 i
*i172.0.0.0/8 20.1.1.5 0 100 0 65102 i
R1#show ip route
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, * – candidate default
U – per-user static route, o – ODR, P – periodic downloaded staticroute
T – traffic engineered route
Gateway of last resort is not set
C 30.0.0.0/8 is directly connected, FastEthernet0/0
C 10.0.0.0/8 is directly connected, Loopback111
C 40.0.0.0/8 is directly connected, Serial0/0
Based on the exhibits show ip bgp and show ip route output, what is the most likely problem that causes the two IBGP routes NOT to be selected as the best route in the BGP table?