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Questions tagged [irb]

For questions about Integrated Routing and Bridging (IRB). For instance, you have a router, that does not support VLANs. With IRB you can route a given protocol between routed interfaces and bridge groups.

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1answer
52 views

Cisco ISO - Are all interfaces assigned to bridges automatically?

I'm currently looking at configuring a second bridge on a cisco switch, however it appears that all interfaces are 'automatically' in the first bridging interface because they are part of Vlan1, which ...
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1answer
2k views

IRB versus VLAN usage

I am fairly new to Juniper as an engineer and I have been doing some reading lately concerning IRB versus vlans. I have noticed we use them in most configurations throughout our environment, IRB that ...
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3answers
87 views

why does bridge terminate vlan header

I'm referring to the following article, where it mentions "The MAC layer header can be maintained if the router is bridging the network layer protocol. However, regular bridging still terminates the ...
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2answers
259 views

Cisco 1841, Bridge T1 WAN to hosts with public IPs?

We currently have a Samsung router given to us by Covad. It is configured like this: PPPoFR T1 WAN (samsung router) x.x.x.49/29(public address) gateway ...
4
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1answer
2k views

Cisco ASA and BVI interfaces

I'm in the middle of equipment migration and the setup is somewhat similar to Mike's (Configure Cisco ASA in Transparent mode: Layer2 DMZ w/ Vlan translation) but with a difference that I need the ...