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angelidata
Beginner

router cisco 7304, 4 bytes ASN

Hello,

I have a cisco 7304, it looks like that only can work with 2bytes ASN. I looked for newest software to update it as far as it is possible, and it didn't work.

I need to use 4bytes ASN. How can I get it? Anyone knows any configuration that allows to use 4 bytes ASN?

Thank you.

3 REPLIES 3
Lei Tian
Cisco Employee

Hi,

Do you need to peer with neighbor with 4 bytes ASN, or pass 4 bytes ASN in as-path, or use 4 bytes as your AS?

As you found out, this platfrom doesnt support using 4 bytes ASN.

HTH,

Lei Tian

Hi Lei Tian,

It would be perfect if I can use, pass and peer with 4 bytes ASN.

But, It could be enough if I can configure it to peer with 4 bytes ASN, is it possible?

Hi,

For that, you can config the peer as number as 23456, which is the ASN used for BGP speaker that doesn't support 4 bytes ASN.

HTH,
Lei Tian

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