Dear All,
I am trying to figure out whether i could localize all the DNS traffic,
from all my customers directed to the Internet to be redirected to a
caching DNS server located locally in my Data center. In this regard i
tried using Policy Based Routing on my Gateway router redirecting all DNS
traffic to my caching DNS system. The configuration is as follows -
!
access-list 192 deny tcp host MYCACHEDNS-SERV any eq domain log
access-list 192 deny udp host MYCACHEDNS-SERVany eq domain log
access-list 192 permit tcp any any eq domain log
access-list 192 permit udp any any eq domain log
access-list 192 deny ip any any log
route-map dns-redirect permit 10
match ip address 192
set ip next-hop MYCACHEDNS-SERV
interface fastethernet 0/0
description ### Ingress Interface ###
ip policy route-map dns-redirect
I find the acl permit statements showing hits, but in am unable to find
any requests coming on to my DNS server, & DNS lookups fail.
Kindly advise, on whether this is possible.
With warm regards,
Vinod.
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