Home > Ticket 5 – R1 ACL

Ticket 5 – R1 ACL

March 26th, 2015 in TSHOOT v2 Go to comments

Configuration on R1

interface Serial0/0/1
 description Link to ISP
 ip address 209.65.200.225 255.255.255.252
 ip nat outside
 ip access-group edge_security in
!

ip access-list extended edge_security
 deny ip 10.0.0.0 0.255.255.255 any
 deny ip 172.16.0.0 0.15.255.255 any
 deny ip 192.168.0.0 0.0.255.255 any
 deny 127.0.0.0 0.255.255.255 any
 permit ip host 209.65.200.241 any
!

Answer: add permit ip 209.65.200.224 0.0.0.3 any command to R1’s ACL

Ans1) R1
Ans2) IPv4 Layer 3 Security
Ans3) Under the ip access-list extended edge-security configuration add the permit ip 209.65.200.224 0.0.0.3 any command

Note:
+ This is the only ticket the extended access-list edge_security exists. In other tickets, the access-list 30 is applied to the inbound direction of S0/0/1 of R1.
+ Although host 209.65.200.241 is permitted to go through the access-list (permit ip host 209.65.200.241 any) but clients cannot ping the web server because R1 cannot establish BGP session with neighbor 209.65.200.226.

Comments (4) Comments
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  1. CCNP-Renew
    May 5th, 2017

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    May 23rd, 2017

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    June 8th, 2017

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    June 9th, 2017

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