Rodney, all interfaces on this box are 802.1q trunks, here is a typical configuration:
! interface GigabitEthernet0/2 description Trunk to switch mac-address 0011.2047.501c mtu 1548 no ip address no ip redirects no ip unreachables no ip proxy-arp media-type rj45 speed 1000 duplex full no negotiation auto no clns route-cache hold-queue 2000 in ! ! interface GigabitEthernet0/2.1 description foo bandwidth 250000 encapsulation dot1Q 1 native ip address 5.6.7.8 255.255.255.224 secondary ip address 1.2.3.4 255.255.255.224 ip access-group small-v4-acl out no ip proxy-arp ip mtu 1500 ip ospf authentication message-digest ip ospf message-digest-key 1 md5 7 <key> ip ospf cost 2000 ip flow ingress ipv6 address FE80:300:1::5/64 ipv6 enable ipv6 traffic-filter small-v6-acl out ipv6 nd ra suppress end sh cef int said : GigabitEthernet0/2 is up (if_number 4) Corresponding hwidb fast_if_number 23 Corresponding hwidb firstsw->if_number 4 Internet Protocol processing disabled Hardware idb is GigabitEthernet0/3 Fast switching type 1, interface type 27 IP CEF switching enabled IP CEF switching turbo vector IP CEF turbo switching turbo vector IP prefix lookup IPv4 mtrie 8-8-8-8 optimized Input fast flags 0x0, Output fast flags 0x81 ifindex 4(4) Slot Slot unit 3 VC -1 Transmit limit accumulator 0x0 (0x0) IP MTU 0 GigabitEthernet0/2.1 is up (if_number 21) Corresponding hwidb fast_if_number 23 Corresponding hwidb firstsw->if_number 4 Internet address is 1.2.3.4/27 Secondary address 5.6.7.8/27 ICMP redirects are always sent Per packet load-sharing is disabled IP unicast RPF check is disabled Output features: Access List Inbound access list is not set Outbound access list is towards-servers IP policy routing is disabled BGP based policy accounting on input is disabled BGP based policy accounting on output is disabled IPv6 CEF switching enabled Hardware idb is GigabitEthernet0/2 Fast switching type 1, interface type 27 IP CEF switching enabled IP CEF switching turbo vector IP CEF turbo switching turbo vector IP prefix lookup IPv4 mtrie 8-8-8-8 optimized Input fast flags 0x0, Output fast flags 0x81 ifindex 4(4) Slot Slot unit 3 VC -1 Transmit limit accumulator 0x0 (0x0) IP MTU 1500 ------------------------------------------------ David Freedman Group Network Engineering Claranet Limited http://www.clara.net -----Original Message----- From: Rodney Dunn [mailto:[EMAIL PROTECTED] Sent: Thu 3/20/2008 03:46 To: David Freedman Cc: [email protected] Subject: Re: [c-nsp] 7200+SRC, Netflow fast path no longer supported? I don't have one handy to test. I'd have to set it up in the lab. What's the full config on the interface and what does 'sh cef int' say? On Wed, Mar 19, 2008 at 12:26:38AM -0000, David Freedman wrote: > Assuming this is a bug but can't find it documented anywhere , either in > release notes or bugtool, > > Upgrading to SRC on 7200 causes all packets on interfaces configured with "ip > flow ingress" to start punting to CPU, it considers netflow an "unsupported > feature" > > IP Process 70442014 2336639637 62840525 2296471137 > Cache misses 0 > Fast 77 14142 0 0 > Auton/SSE 0 0 0 0 > > > RP PAS TTL expired 0 0 90139 > RP PAS IP options set 0 0 1 > RP PAS Routed to Null0 10 0 0 > RP PAS Features 0 118182453 0 > RP PAS Total 568 118183210 90222 > All Total 568 236366797 90222 > > At first I thought this could be CSCsh05677 ("ip flow-cache mpls > label-positions 1" hack) > but it turns out not to be. > > Has anybody else here seen the same? > > ------------------------------------------------ > David Freedman > Group Network Engineering > Claranet Limited > http://www.clara.net > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
