Because it's added only in 15.1(2)T http://www.cisco.com/en/US/customer/docs/ios/15_1/release/notes /151-2TNEWF.html#wp43436 On 22.06.2011 20:17, Michael K. Smith - Adhost wrote: > This is the workaround when you can't put the address on the BVI, which > you can't in some cases.