Problem with Qos and opening sites

I have C1721 i my small LAN (10 users). Configuration is on bottom this message. I have two different problems:

- one is www sites opening, i mean that some sites are not opening normally, but very slowly or none. I don't know why? many other sites are opening normally in web browser. One of the sites that is not opening is:

formatting link
Why many sites opening normally, but some not?

- second problem is with QoS, exactly with PQ The PQ is not working, there is no packets in queues when i checking interface statistics - why?

Best regards rzirzi

------------------------------------------------------ Configuration

Router#sh run Building configuration...

Current configuration : 2553 bytes ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname Router ! boot-start-marker boot-end-marker ! enable password *** ! no aaa new-model ! resource policy ! mmi polling-interval 60 no mmi auto-configure no mmi pvc mmi snmp-timeout 180 ip subnet-zero ip cef ! ! no ip dhcp use vrf connected ip dhcp excluded-address 192.168.1.10 ! ip dhcp pool LAN network 192.168.1.0 255.255.255.0 default-router 192.168.1.10 dns-server 192.168.1.10 ! ip dhcp pool MYPOOL host 192.168.1.130 255.255.255.0 client-identifier 0100.065b.*** default-router 192.168.1.10 dns-server 192.168.1.10 ! ! ip name-server 194.204.159.1 ip name-server 194.204.152.34 !

! interface Ethernet0 no ip address half-duplex pppoe enable pppoe-client dial-pool-number 1 ! interface FastEthernet0 ip address 192.168.1.10 255.255.255.0 ip nat inside ip virtual-reassembly speed auto ! interface Dialer1 bandwidth 640 ip address negotiated ip nat outside ip virtual-reassembly encapsulation ppp dialer pool 1 dialer-group 1 priority-group 10 ppp authentication chap callin ppp chap hostname *** ppp chap password *** ! ip classless ip route 0.0.0.0 0.0.0.0 Dialer1 ! ! no ip http server no ip http secure-server ip nat inside source list 1 interface Dialer1 overload ip dns server ! access-list 1 permit 192.168.1.0 0.0.0.255 access-list 100 permit udp any any range 16384 16482 access-list 100 permit tcp any any eq www access-list 100 permit tcp any any eq 443 access-list 100 permit icmp any any access-list 100 permit tcp any any eq 22 access-list 100 permit tcp any any eq telnet access-list 100 permit udp any any eq domain access-list 110 permit tcp any any eq smtp access-list 110 permit tcp any any eq pop3 access-list 110 permit tcp any any eq 143 access-list 120 permit tcp any any eq ftp access-list 120 permit tcp any any eq ftp-data dialer-list 1 protocol ip permit priority-list 10 protocol ip high list 100 priority-list 10 protocol ip medium list 110 priority-list 10 protocol ip normal list 120 priority-list 10 default low ! control-plane ! ! line con 0 line aux 0 line vty 0 4 ! end

Router#

Reply to
rzirzi
Loading thread data ...

Your configuration doesn't show ATM PVC part (encapsulation type if of main concern here), class-map and policy-map definitions and do you apply them to the interface.

What it looks like to me is Path-MTU Discovery problem. If you're running PPPoE, your WAN MTU is probably 1492, but not specified. Web packets are often 1500 bytes with DF-bit set. Try following line on Dialer interface:

int Dialer1 mtu 1492

and also put following on the LAN interface:

int FastEthernet0 ip tcp adjust-mss 1460

This should resolve problem with opening websites. As for PQ - please show complete config.

Kind regards, iLya

Reply to
Charlie Root

Cabling-Design.com Forums website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.