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Cisco Bug: CSCtd44864 - 2941: IS-IS adjacency not established on SVI with 4400 byte MTU

Last Modified

May 18, 2010

Products (1)

  • Cisco MWR 2900 Series Mobile Wireless Routers

Known Affected Releases

12.4(20)MR

Description (partial)

Symptom:

Under certain conditions, IS-IS adjacencies will not be formed on an SVI interface.

Conditions:

The issue occurs on Cisco IOS Release 12.4(20)MR when IS-IS is configured on an SVI interface with MTU set to 4470 bytes.
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