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Webcast-Catalyst9k
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SG300 and Vigor 2955 routing problem

Hi, Having a wee problem.......

I have a Vigor 2955 onto our ADSL, with two connections going to switches, one subnet of a layer 2 cisco switch is 192.168.0.0/24 and works fine. I have enabled 2nd subnet on the vigor of 192.168.1.251. Im setting up new IT kit and creating a completely new setup, using 2 Cisco Sg300's in layer 3 mode with multiple vlans for a Vmware environment. I have 2 SG300's lag'd together with vlans setup on both, 2 Dell servers running vmware and a Dell Equallogic San cross connected to both sg300's for full redundancy. sg300-1 is 192.168.1.252, sg300-2 is 192.168.1.253. I've set a default route of 0.0.0.0 0.0.0.0 192.168.1.251 back to the vigor on both sg300's and setup static routes for the various vlans on the vigor, ie 192.168.1.0/24 192.168.1.253, 192.168.2.0/24 192.168.1.253, 192.168.4.0/24 192.168.1.253, 192.168.5.0/24 192.168.1.253.

Unfortunately....., nothing seems to want to pass traffic to the internet....

I can ping the vigor gateway from behind the SG300's and can ping a host behind the sg300's from a host on the vigor side, but cant get a Sg300 host to see the 'tinternet...., although vigor side host see's internet fine.

Any ideas?

Many thanks in advance,

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1 REPLY

SG300 and Vigor 2955 routing problem

Bryan,

Can a host at 192.168.2.x ping the vigor at 192.168.1.251? You have the static routes on the sg300 and the vigor? Could it be a NAT issue with the vigor?

Best,

David

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