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cisco 2851 some websites i got access

CrazyxRascal
Level 1
Level 1

hi i recently upgraded from bt hub to a cisco 2851 i am having some routing issues . some websites e.g speedtest.net and steam servers e.g rust giving me ssl errors . when i try connect to speedtest.net i cant connect to the site . i can ping the site aswell . 

here is my config 

!This is the running config of the router: 192.168.1.56
!----------------------------------------------------------------------------
!version 15.1
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Cisco
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$UlEU$K9SvnUMy4mjznAz/u9QUU.
enable password password
!
no aaa new-model
!
!
dot11 syslog
ip source-route
!
!
ip cef
ip dhcp excluded-address 192.168.1.56
!
ip dhcp pool LAN
network 192.168.1.0 255.255.255.0
default-router 192.168.1.56
dns-server 8.8.8.8 8.8.4.4
lease 7
!
!
!
multilink bundle-name authenticated
!
!
!
crypto pki trustpoint TP-self-signed-174705560
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-174705560
revocation-check none
rsakeypair TP-self-signed-174705560
!
!
crypto pki certificate chain TP-self-signed-174705560
certificate self-signed 01
3082023B 308201A4 A0030201 02020101 300D0609 2A864886 F70D0101 04050030
30312E30 2C060355 04031325 494F532D 53656C66 2D536967 6E65642D 43657274
69666963 6174652D 31373437 30353536 30301E17 0D313630 36313132 33323830
315A170D 32303031 30313030 30303030 5A303031 2E302C06 03550403 1325494F
532D5365 6C662D53 69676E65 642D4365 72746966 69636174 652D3137 34373035
35363030 819F300D 06092A86 4886F70D 01010105 0003818D 00308189 02818100
AD96783B C1B7A3FF DBD8EE71 11157EF5 F6D9F8D0 3929D391 FCCC3556 66138380
756F2E0E 96F1A2AA FA649F1D 3F535A55 2352269F 3D9952DB EFE965B9 D47C7D89
175D6FF0 70470D18 44E46BC2 ECB02F56 25B034EE D0E456FB 11ADB698 610D24F6
7E7F88F9 9F638899 B91E11DF 6F85D71B D5A4394F 2F29E606 E5220820 32413ED7
02030100 01A36530 63300F06 03551D13 0101FF04 05300301 01FF3010 0603551D
11040930 07820543 6973636F 301F0603 551D2304 18301680 14844DF8 AE6F0DEF
6010E708 879AE4E0 523796CA 6C301D06 03551D0E 04160414 844DF8AE 6F0DEF60
10E70887 9AE4E052 3796CA6C 300D0609 2A864886 F70D0101 04050003 81810022
C6781936 F2006CB4 22AD4FD3 143A28E7 BAFD047E 30A0FBBB 8C5BD191 391A0FE6
4FEE85F4 0BE58D85 6065AEF8 AE52826B 0A298EDB 4EB87C2C C4028C07 B3D1A5E4
3E847B45 B1D8BD09 7611D040 ED108ECB A773F25B 179A7726 DC1A4220 E7438BC6
0A069CF1 EA8F4DA0 90F7CC97 7096CE28 32E126E8 7862733B 3EFA45BD 255FD9
quit
!
!
license udi pid CISCO2851 sn FHK0914F1JY
username admin
username josh123 privilege 15 password 0 josh123
!
redundancy
!
!
!
!
!
!
!
!
!
interface GigabitEthernet0/0
no ip address
duplex auto
speed auto
pppoe enable group global
pppoe-client dial-pool-number 1
!
interface GigabitEthernet0/1
ip address 192.168.1.56 255.255.255.0
ip nat inside
no ip virtual-reassembly
duplex auto
speed auto
no mop enabled
!
interface Dialer1
mtu 1492
ip address negotiated
ip nat outside
no ip virtual-reassembly
encapsulation ppp
dialer pool 1
ppp authentication chap callin
ppp chap hostname bthomehub@btbroadband.com
ppp chap password 0 bt
ppp pap sent-username bthomehub@btbroadband.com password 0 bt
ppp ipcp dns request accept
ppp ipcp route default
ppp ipcp address accept
!
ip default-gateway 192.168.1.56
ip forward-protocol nd
ip http server
ip http authentication local
ip http secure-server
!
!
ip nat inside source list NAT interface Dialer1 overload
ip nat inside source static tcp 192.168.1.5 3389 interface Dialer1 3389
ip nat inside source static tcp 192.168.1.10 80 interface Dialer1 80
ip nat inside source static udp 192.168.1.10 80 interface Dialer1 80
ip nat inside source static udp 192.168.1.10 8880 interface Dialer1 8880
ip nat inside source static tcp 192.168.1.10 8880 interface Dialer1 8880
ip route 0.0.0.0 0.0.0.0 Dialer1 dhcp
!
ip access-list extended NAT
permit ip 192.168.1.0 0.0.0.255 any
!
dialer-list 1 protocol ip permit
!
!
!
!
!
control-plane
!
!
line con 0
line aux 0
line vty 0 4
password password
login
transport input all
!
scheduler allocate 20000 1000
end

could anyone know what the issue might be ? i am new to cisco world 

1 Accepted Solution

Accepted Solutions

Francesco Molino
VIP Alumni
VIP Alumni

Hi

Could you the below commands on the router and test it again?

Interface g0/0

ip tcp mss-adjust 1452

Interface dialer 1
ip tcp mss-adjust 1452

Thanks


Thanks
Francesco
PS: Please don't forget to rate and select as validated answer if this answered your question

View solution in original post

1 Reply 1

Francesco Molino
VIP Alumni
VIP Alumni

Hi

Could you the below commands on the router and test it again?

Interface g0/0

ip tcp mss-adjust 1452

Interface dialer 1
ip tcp mss-adjust 1452

Thanks


Thanks
Francesco
PS: Please don't forget to rate and select as validated answer if this answered your question
Review Cisco Networking products for a $25 gift card