I did that ipv6 change and it has made a significant difference (400 ms
instead of 4000) -
[root@host3 ~]# dig cisco.com
; <<>> DiG 9.2.4 <<>> cisco.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59188
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0
;; QUESTION SECTION:
;cisco.com. IN A
;; ANSWER SECTION:
cisco.com. 86400 IN A 198.133.219.25
;; AUTHORITY SECTION:
cisco.com. 86400 IN NS ns1.cisco.com.
cisco.com. 86400 IN NS ns2.cisco.com.
;; Query time: 415 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 12 10:20:34 2005
;; MSG SIZE rcvd: 79
Troy Engel wrote:
> Someone else recently had this problem (search the archives a few days
> back). His solution was to rebuild a SRPM from Fedora Core of an older
> BIND and it solved it.
>
> I suggested it might be IPv6 lookups stalling you; try adding:
>
> alias net-pf-10 off
>
> to your /etc/modprobe.conf and reboot the server, see if that fixes the
> slowness issue. This used to show up when IPv6 was first introduced into
> Fedora Core, Mozilla had lookup pause issues as well.
>
> -te
>
> Tony Wicks wrote:
>
>> identical (both have caching-nameserver removed). The Centos 4 machine
>> is very slow at initial lookups -
>
>
