07-09-2014 05:54 AM - edited 03-07-2019 07:59 PM
Hello I am having a strange problem and would be grateful to have some insights on it please.
sh ip arp vrf INET
Protocol Address Age (min) Hardware Addr Type Interface
Internet 172.26.23.1 - 0000.0cb8.a914 ARPA BVI3
Internet 172.26.23.2 43 c08c.60c7.9064 ARPA BVI3
Internet 172.26.23.6 10 8438.35eb.91fd ARPA BVI3
Internet 172.26.23.7 1 3c15.c210.af45 ARPA BVI3
Internet 172.26.23.8 1 54ea.a82d.1fcd ARPA BVI3
Internet 172.26.23.9 1 786c.1ce5.3056 ARPA BVI3
Internet 172.26.23.10 2 f0d1.a9ef.0ad0 ARPA BVI3
Internet 172.26.23.12 0 0870.4529.21a1 ARPA BVI3
Internet 172.26.23.13 0 b817.c20e.f38a ARPA BVI3
Internet 172.26.23.14 0 8c29.3710.d6ea ARPA BVI3
Internet 172.26.23.15 14 10a5.d0db.770e ARPA BVI3
Internet 172.26.23.16 13 e063.e585.52bb ARPA BVI3
Internet 172.26.23.17 9 e063.e5e4.c28b ARPA BVI3
Internet 172.26.23.19 0 380f.4a60.3e9e ARPA BVI3
Internet 172.26.23.20 1 446d.5768.654b ARPA BVI3
Internet 172.26.23.21 11 d422.3f51.a51b ARPA BVI3
Internet 172.26.23.22 0 54ea.a845.564d ARPA BVI3
Internet 172.26.23.23 0 4cb1.994f.f3d8 ARPA BVI3
Internet 172.26.23.24 13 60c5.478a.2778 ARPA BVI3
Internet 172.26.23.25 32 cc3a.6159.6c4f ARPA BVI3
Internet 172.26.23.27 15 b8e8.56e6.4217 ARPA BVI3
Internet 172.26.23.30 1 f0d1.a91e.9863 ARPA BVI3
Internet 172.26.23.31 3 d8d1.cbd7.92d1 ARPA BVI3
Internet 172.26.23.33 0 843a.4b22.059e ARPA BVI3
Internet 172.26.23.34 0 843a.4b8a.d728 ARPA BVI3
Internet 172.26.23.35 0 cc78.5fcc.f310 ARPA BVI3
Internet 172.26.23.36 0 e88d.28be.5c0e ARPA BVI3
Internet 172.26.23.37 0 f0c1.f163.65b1 ARPA BVI3
Internet 172.26.23.38 2 acfd.ec01.b021 ARPA BVI3
Internet 172.26.23.40 0 c86f.1ddd.8839 ARPA BVI3
Internet 172.26.23.41 0 b418.d168.e7f9 ARPA BVI3
Internet 172.26.23.42 29 0808.c219.38e7 ARPA BVI3
Internet 172.26.23.43 0 b418.d177.17bb ARPA BVI3
Internet 172.26.23.44 0 f437.b740.2b48 ARPA BVI3
Internet 172.26.23.45 0 bc3b.af68.f990 ARPA BVI3
Internet 172.26.23.47 24 3ca9.f41f.7f5c ARPA BVI3
Internet 172.26.23.48 0 3ca9.f41f.7f5c ARPA BVI3
Internet 172.26.23.49 0 c485.08dd.f329 ARPA BVI3
Internet 172.26.23.50 23 48d2.2424.6e2f ARPA BVI3
Internet 172.26.23.51 2 b4f0.ab3f.3ea2 ARPA BVI3
Internet 172.26.23.53 12 980c.8258.1230 ARPA BVI3
Internet 172.26.23.55 0 0415.523e.c11f ARPA BVI3
Internet 172.26.23.56 0 e88d.2808.b480 ARPA BVI3
Internet 172.26.23.57 14 c8aa.2170.76ac ARPA BVI3
Internet 172.26.23.58 0 e09d.3100.9dd4 ARPA BVI3
Internet 172.26.23.60 8 cc3a.610e.72a1 ARPA BVI3
Internet 172.26.23.61 0 0811.9675.6074 ARPA BVI3
Internet 172.26.23.62 5 20c9.d0df.90d3 ARPA BVI3
Internet 172.26.23.83 29 b418.d177.17bb ARPA BVI3
Internet 172.26.23.84 30 f437.b740.2b48 ARPA BVI3
Internet 172.26.23.88 0 90b1.1c88.a22c ARPA BVI3
Internet 172.26.23.89 0 843a.4b63.4b10 ARPA BVI3
Protocol Address Age (min) Hardware Addr Type Interface
Internet 172.26.23.90 40 cc3a.6159.6c4f ARPA BVI3
Internet 172.26.23.93 43 380f.4a60.3e9e ARPA BVI3
Internet 172.26.23.94 42 54ea.a845.564d ARPA BVI3
Internet 172.26.23.95 42 d422.3f51.a51b ARPA BVI3
Internet 172.26.23.96 38 f0d1.a91e.9863 ARPA BVI3
Internet 172.26.23.98 43 cc78.5fcc.f310 ARPA BVI3
Internet 172.26.23.99 27 5c51.4fb1.5625 ARPA BVI3
Internet 172.26.23.102 43 d8d1.cbd7.92d1 ARPA BVI3
Internet 172.26.23.103 43 e88d.28be.5c0e ARPA BVI3
Internet 172.26.23.105 42 b418.d168.e7f9 ARPA BVI3
Internet 172.26.23.106 41 f0c1.f163.65b1 ARPA BVI3
Internet 172.26.23.107 41 bc3b.af68.f990 ARPA BVI3
Internet 172.26.23.108 41 b4f0.ab3f.3ea2 ARPA BVI3
Internet 172.26.23.109 41 acfd.ec01.b021 ARPA BVI3
Internet 172.26.23.110 35 e88d.2808.b480 ARPA BVI3
Internet 172.26.23.115 31 c86f.1ddd.8839 ARPA BVI3
Internet 172.26.23.116 41 4cb1.994f.f3d8 ARPA BVI3
Internet 172.26.23.118 27 0415.523e.c11f ARPA BVI3
Internet 172.26.23.122 9 6477.9145.3a5a ARPA BVI3
Internet 172.26.23.123 25 3019.6684.8f48 ARPA BVI3
Internet 172.26.23.124 0 1040.f3b3.a61c ARPA BVI3
Internet 172.26.23.125 16 784b.8788.9f0f ARPA BVI3
interface BVI3
ip vrf forwarding INET
ip address 172.26.23.1 255.255.255.128
ip flow ingress
ip tcp adjust-mss 1400
end
interface GigabitEthernet0/0.3
encapsulation dot1Q 800
ip vrf forwarding INET
ip tcp adjust-mss 1400
bridge-group 3
bridge-group 3 input-address-list 703
end
But when I ping the devices some devices which are working fine like the one with .88 IP address I cannot ping it.
the access list has the .88 ip address MAC already added
Internet 172.26.23.88 0 90b1.1c88.a22c ARPA BVI3
access-list 703 permit 90b1.1c88.a22c 0000.0000.0000
access-list 703 permit ffff.ffff.ffff 0000.0000.0000
access-list 703 deny 0000.0000.0000 ffff.ffff.ffff
ping vrf INET 172.26.23.88
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.26.23.88, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
07-09-2014 08:49 AM
What happens when you ping the address with the source command using an interface in the same vrf?
07-10-2014 02:03 AM
This is what i see
ping vrf INET 172.26.23.88 so bvi3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.26.23.88, timeout is 2 seconds:
Packet sent with a source address of 172.26.23.1
.....
Success rate is 0 percent (0/5)
Some of them randomly pings!!
ping vrf INET 172.26.23.42
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.26.23.42, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/21/88 ms
07-10-2014 08:29 AM
Could it be that some of the devices are PCs / servers that are running host based firewalls that block ICMP?
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